Hi Michelle,
I have some information which may or may not be of assistance. Miriam Grinberg, who was married to Yosef Cytryn, is the sister of my great-grandmother. During my ancestry research, I have come across the following information.
I hope this helps.
John
Descendants of Moshe Hersh Cytryn
1 Moshe Hersh CYTRYN Born: About 1800 in Nasielsk, Poland Died: in Nasielsk, Poland
.. +RUCHLA Born: About 1800 in Nasielsk, Poland Died: in Nasielsk, Poland
......... 2 Eliasz Abram CYTRYN Born: 1843 in Nasielsk, Poland
............. +Fruma Leah FURMANSKA Born: 1845 in Mlawa, Poland
.................... 3 Szoel Josek (Joseph) CYTRYN Born: 24 January 1872 in Mlawa, Russia (Poland) Died: 1940 in Mlawa, Poland
........................ +Miriam GRINBERG Born: 1870 in Wyszkow, Russia (Poland) Died: 1940 in Auschwitz, Poland
............................... 4 Dov CYTRYN Born: Bef. 1894 in Mlawa, Russia (Poland) Died: 1921
............................... 4 Tzipora/Zipora CYTRYN Born: 1894 in Mlawa, Russia (Poland) Died: Bet. 1939 and 1945 in Eastern Europe
................................... +Motl ZYLBERMAN Born: 1895 in Minsk or Mazowiecka Died: Bet. 1939 and 1945 in Majdanesk, Poland
........................................... 5 Ala ZYLBERMAN Born: Bef. 1939 Died: Aft. 2005
............................................... +(unknown) ICHENRAND
...................................................... 6 (unknown) ICHENRAND Died: Bef. 2004 in Israel
...................................................... 6 Shuki ICHENRAND
........................................... 5 Naomi ZYLBERMAN Born: Bef. 1939 Died: Bet. 2000 and 2004 in Israel
............................................... +(unknown) KUNIK
............................... 4 Yosef CYTRYN Born: Aft. 1894 in Mlawa, Russia (Poland) Died: Bef. 1935
............................... 4 Feiga CYTRYN Born: 1895 in Mlawa, Russia (Poland) Died: Bet. 1939 and 1944 in Warszawa, Poland
................................... +(unknown) ZYLBERMAN
............................... 4 Moshe Tzvi CYTRYN Born: 13 May 1895 in Mlawa, Russia (Poland) Died: About 1942 in Eastern Europe (Auschwitz or the Warszawa Ghetto)
................................... +Lea ROSENBERG Born: 1898 in Mlawa, Poland Died: 1944 in Majdanek or Auschwitz, Poland
........................................... 5 Yisrael CYTRYN Born: 1923 in Mlawa, Poland Died: Bet. 1939 and 1945 in Warszawa, Poland
........................................... 5 Yosef CYTRYN Born: Bet. 1924 and 1926 in Mlawa, Poland Died: Bet. 1939 and 1945 in Majdanek, Poland
............................... 4 Chaim/Heim CYTRYN Born: 1902 in Mlawa, Russia (Poland)
............................... 4 Reuven CYTRYN Born: 1902 in Mlawa, Russia (Poland) Died: Bet. 1939 and 1945 in Treblinka, Poland
................................... +Sara FLAJSZER Born: 1902 in Mlawa, Russia (Poland) Died: Bet. 1939 and 1945 in Treblinka, Poland
........................................... 5 Yosef CITRON Born: 1936 in Mlawa, Poland Died: Bet. 1939 and 1945 in Easten Europe
............................... 4 Avigdor CYTRYN Born: 1906 in Mlawa, Russia (Poland) Died: 1942 in Auschwitz or the Warszawa Ghetto, Poland
................................... +Tzira GRZEBIENIARZ Born: in Mlawa, Russia (Poland) Died: Bet. 1942 and 1945 in Auschwitz, Poland
........................................... 5 Frumet CYTRYN Born: 1924 in Mlawa, Poland Died: Bet. 1939 and 1945 in Majdanek, Poland
........................................... 5 Yosef CYTRYN Born: 1926 in Mlawa, Poland Died: Bet. 1939 and 1945 in Warszawa, Poland
............................... 4 Sarah TZITRIN Born: 1 May 1913 in Mlawa, Russia (Poland) Died: 26 September 2005 in Kfar Menahem, Israel
................................... +Tzhak YUDOVICH Born: 28 February 1913 in Pinsk Bielo, Russia Died: 30 April 1973 in Kfar Menahem, Israel
........................................... 5 Yael YUDOVICH Born: 28 November 1937 in Hader Heharon, Palestine (Israel)
............................................... +Elisha PORAT Born: 26 June 1938
...................................................... 6 Bosmat PORAT Born: 30 December 1964 in Kfer Menaham, Israel
.......................................................... +Shahar LIVNE Born: 2 June 1963
................................................................. 7 Yarden LIVNE Born: 20 July 1994 in Israel
................................................................. 7 Eial LIVNE Born: 1 August 1998 in Israel
...................................................... 6 Efrat PORAT Born: 4 June 1973 in Kfer Menaham, Israel
...................................................... 6 Hadas PORAT Born: 5 June 1973 in Kfer Menaham, Israel
.......................................................... +Amnon IZNER Born: 14 January 1960
................................................................. 7 Asaf IZNER Born: 19 September 1989 in Israel
................................................................. 7 Alon IZNER Born: 14 March 1992 in Israel
................................................................. 7 Almog IZNER Born: 14 May 1997 in Israel
...................................................... 6 Shaul PORAT Born: 20 April 1964 in Kfer Menaham, Israel
.......................................................... +Ofer GALLANT Born: 18 June 1968
................................................................. 7 Noa PORAT Born: 21 June 1997 in Israel
................................................................. 7 Reut PORAT Born: 21 May 2000
........................................... 5 Yosef YUDOVICH Born: 21 October 1941 in Kfar Menahem, Palestine (Israel)
............................................... +MALKA Born: 25 November 1941
...................................................... 6 Navit YUDOVICH Born: 14 July 1964 in Kfar Menaham, Israel
.......................................................... +Itshak BARON Born: 16 December 1953
................................................................. 7 Eithan BARON Born: 12 September 1995 in Israel
................................................................. 7 Amos BARON Born: 15 December 2000 in Israel
................................................................. 7 Avishai BARON Born: 19 June 2005 in Israel
...................................................... 6 Carmit YUDOVICH Born: 17 June 1966 in Kfar Menaham, Israel
.......................................................... +Itay COHEN Born: 26 May 1964
................................................................. 7 Ori COHEN Born: 20 October 2004 in Israel
................................................................. 7 Naomi COHEN Born: 24 May 2002 in Israel
...................................................... 6 Sagi YUDOVICH Born: 30 August 1969 in Kfar Menaham, Israel
........................................... *2nd Wife of Yosef YUDOVICH:
............................................... +Dvora LANDMAN
........................................... 5 Miriam YUDOVICH Born: 17 June 1947 in Kfar Menahem, Palestine (Israel)
............................................... +Beny BEN-NUN Born: October 1931
...................................................... 6 Vered BEN-NUN Born: 13 May 1973 in Sharon, Israel
.......................................................... +Eilon KEDEM Born: 18 August 1972
................................................................. 7 Noam KEDEM Born: 2 June 2005 in Israel
...................................................... 6 Oded BEN-NUN Born: 27 January 1975 in Sharon, Israel
........................................... *2nd Husband of Miriam YUDOVICH:
............................................... +Moti MEIR Born: 20 February 1942
........................................... 5 Shulamet YUDOVICH Born: 15 December 1953 in Kfar Menaham, Israel
............................................... +Juval NAVE Born: 22 December 1952
...................................................... 6 Ron NAVE Born: 20 June 1979 in Sharon, Israel
...................................................... 6 Jonathan NAVE Born: 29 April 1982 in Sharon, Israel
...................................................... 6 Ela NAVE Born: 1 March 1988 in Sharon, Israel
...................................................... 6 Gil NAVE Born: 17 November 1992 in Israel
.................... 3 Tzippora CYTRYN Born: 6 October 1864 in Mlawa, Poland Died: 12 October 1864 in Mlawa, Poland
......... 2 Chanah Lea CYTRYN Born: 1837 in Niashelsk, Poland Died: 18 November 1899 in Mlawa, Poland
............. +Yitzhak Yakov Ha-Levy TACHNA Born: 1831 in Mlawa, Poland Died: 29 March 1917 in Mlawa, Poland
.................... 3 Dworja Ha-Levy TACHNA Born: 25 June 1857 in Mlawa, Poland
.................... 3 Chaim Mendel Ha-Levy TACHNA Born: 5 June 1859 in Mlawa, Poland Died: 2 December 1859 in Mlawa, Poland
.................... 3 Shimon Alter Ha-Levy TACHNA Born: 1 January 1861 in Mlawa, Poland Died: 1933 in Mlawa, Poland
........................ +Tzippora KON Born: 1864 in Nieporet, Poland Died: Bet. 1939 and 1945 in Eastern Europe
............................... 4 Rivke TACHNA Born: 1884 in Mlawa, Poland Died: Bet. 1939 and 1945 in Eastern Europe
................................... +Abram Mordechai ZYLBERSZTEJN Born: 1886 in Garwolin, Poland Died: Bet. 1939 and 1945 in Eastern Europe
........................................... 5 Mikheal ZYLBERSZTEJN Born: About 1910 in Mlawa, Poland Died: Bet. 1939 and 1945 in Eastern Europe
............................... 4 Channah Leah TACHNA Born: 16 October 1901 in Mlawa, Poland Died: About 1940 in Eastern Europe
................................... +Yonatan (Jonathan) GRYNBERG Born: 19 January 1904 in Pultusk, Poland Died: Bet. 1939 and 1945 in Easten Europe
........................................... 5 (unknown) GRYNBERG Born: About 1934 in Mlawa, Poland
............................... 4 Harry Nathan TACHNA Born: 1902 in Mlawa, Poland Died: 1960 in Detroit, Michigan, United states
................................... +Rose PERLMUTTER Born: 1904 in MNiashelsk, Poland Died: 2003 in United States
........................................... 5 Selden Allen TACHNA Born: 1937 in Detroit, Michigan, United states Died: 1983 in Detroit, Michigan, United states
............................................... +Deanne Ruth JONAS Born: 1938 in Detroit, Michigan, United states
...................................................... 6 Susan Lynn TACHNA Born: 1961 in Detroit, Michigan, United states
...................................................... 6 nancy Ann TACHNA Born: 1964 in Detroit, Michigan, United states
...................................................... 6 Robert Howard TACHNA Born: 1966 in Detroit, Michigan, United states
.................... 3 Chaya TACHNA Born: 15 December 1862 in Mlawa, Poland
........................ +Lejzer KON
.................... 3 Gerszon TACHNA Born: 2 January 1865 in Mlawa, Poland Died: 27 October 1941 in Birmingham, England
........................ +Florence Rebecca (maiden name UNKNOWN)
.................... 3 Sura TACHNA Born: 1 August 1867 in Mlawa, Poland Died: 5 March 1872 in Mlawa, Poland
.................... 3 Salomon TACHNA Born: 22 August 1869 in Mlawa, Poland Died: 1953 in New York City, New York, United States
........................ +Bessie OLSZEWER
.................... 3 Yetta TACHNA Born: 15 April 1871 in Mlawa, Poland Died: 31 May 1952 in Cleveland, Ohio, United States
........................ +Israel MISHNE
.................... 3 Josef TACHNA Born: 26 October 1873 in Mlawa, Poland Died: 28 March 1940 in Detroit, Michigan, United states
........................ +Ida Rachel NORECK
.................... 3 Rose TACHNA Born: 1885 in Mlawa, Poland Died: About 1944 in Auschwitz, Poland
........................ +Chanoch NUTKEVITZ
......... 2 Szmul Gerzon CYTRYN Born: 1831 in Nasielsk, Poland
............. +Krajndla MAKOWSKA Born: 1835 in Mlawa, Poland Died: 16 August 1864 in Mlawa, Poland
.................... 3 Abram Izrael CYTRYN Born: 1854 in Mlawa, Poland
.................... 3 Sura CYTRYN Born: 1861 in Mlawa, Poland
.................... 3 Frajda Chaya CYTRYN Born: 1 February 1857