Okay, I have a little more now, and I am less mixed up about these families. Starting with the earliest Kotaliks that I know:
Matthias Kotalik
(b. Pisek, Czech Rep.
d. Pisek, Czech Rep.)
m.
Marie Å ebora
(b. Milevska, Czech Rep.
d. Pisek, Czech Rep.)
They had one known child:
1) Franz Kotalik
(b. Pisek, Czech Rep.
d. Pisek, Czech Rep.)
m.
Antonie Becvar
(b. Pisek, Czech Rep.
d. Pisek, Czech Rep.)
She was the daughter of
Vaclav Becvar
(b. Putim, Czech Rep.
d. Pisek, Czech Rep.)
m.
Maria Piher
(b. Mirotic, Czech Rep.
d. Pisek, Czech Rep.)
Franz and Antonie had one known child:
1) Alois Kotalik
(b. 04 Mar 1842 Pisek, Czech Rep.
d. 03 Dec 1913 Pisek, Czech Rep.)
m.
Katharina Klouzal
(b. 15 Dec 1842 Bondy-Mirovic, Czech Rep.
d. 11 Apr 1917 Pisek, Czech Rep.)
She was the daughter of
Vojtech Klouzal
m.
Magdalena Brabenec
Alois and Katharina had two known children:
1) Frantisek Kotalik
(b. 1870 Pisek, Czech Rep.
d. 04 Sep 1941 Pisek, Czech Rep.)
m.
Marie Pospisil
(b. 1870
d. 03 Jun 1936 Czech Rep.)
2) Julie Kotalik
(b. 16 Feb 1873
d. 14 Jul 1950 Vienna, Austria)
m.
? Carhoun
Frantisek and Marie had 6 known children
1) Henry Kotalik
2) Manya Kotalik
m.
? Hatlman
3) Frantisek "Frank" Kotalik
(b. 24 Dec 1890 Pisek, Czech Rep.
d. 29 Feb 1964, Cleveland, Cuyahoga, Ohio)
m.
Wilhelmina "Billie" Skarupa
(b. 1893, Pisek, Czech Rep.
d. 13 Nov 1968, Westlake, Cuyahoga, Ohio)
4) William L. Kotalik
(b. 31 Aug 1895
d. Feb 1980 Cleveland, Cuyahoga, Ohio)
m. (Cleveland, Cuyahoga, Ohio)
Gertrude Sophia Rindfleisch
(b. 19 Feb 1897 Cleveland, Cuyahoga, Ohio
d. 19 Jan 1995 Cleveland, Cuyahoga, Ohio)
5) Emma Kotalik
(b. Dec 1896 Pisek, Czech Rep.
d. 16 Mar 1962 Cleveland, Cuyahoga, Ohio)
m. (27 Dec 1913 Cleveland, Cuyahoga, Ohio)
Emil Sykora
(b. 12 May 1891 Lezaky, Czech Rep.
d. 26 Jan 1941 Cleveland, Cuyahoga, Ohio)
m. (05 Sep 1929 Cleveland, Cuyahoga, Ohio)
John J. Broestle
(b. 8 Feb 1895 Cleveland, Cuyahoga, Ohio
d. 28 Apr 1960 Cuyahoga Co., Ohio)
Emma divorced Emil
6) Zdenik "Sydney" Kotalik
(b. 22 Sep 1899 Pisek, Czech Rep.
d. Jul 1972 Lakeland, Polk, Florida)
So there you go. I have source information for almost all of this and quite a bit more on the next generation as well. Anyone who is interested can email me.