Hi. George Michael Retz is my g g g g g grandfather. the only information that i have is that he was born in germany and that he died in or around 1836/37. in Randolph County, Indiana. His wife name was Katherine Mackmill. she was born 1783 and died in 1860. the 1850 census has her living with William Retz and his family. i show that they had the following children.
Henry Lewis Retz who is my g g g g grandfather
born April 21, 1821 in Wuerttenburg Germany
Married May 7, 1846 in Randolph County Indiana
Died February 22, 1882 burried Fairview Cem. Fairview, Randolph Co. Indiana Lot 722
Spouse were Catherine Hendricks, Nancy E. Brooks

Christian Retz
born May 5, 1805 in Wuerttenburg Germany
Married June 13, 1839 in Muncie, Delaware County Ind.
Died June 20, 1890 in Muncie , Delaware County Ind burried in Beach Grove Cem.
Spuse Lydia Rhoads

William Retz
born June 9, 1806 in Wuerttenburg Germany
Married June 13, 1839 in Muncie Delaware County Ind
died December 9, 1897 in Winchester Randolph County Ind. Buried- Fountain Park Cem. Winchester, Randolph County Indiana.
Spouse Polly Mary Rhoads

John Retz
born July 30, 1810 in Germany
Married June 13, November 20, 1834-1836 Randolph County Indiana
Died August 4, 1876 Randolph County Indiana
Spouse Anna Zimmerman died July 18, 1903
they both may be buried at Salem Cem. Randolph county Indiana. next time i go home i will look this up.

Charles Retz
born 1816? Germany
Married April 17, 1838 in Randolph County indiana
Died May 20, 1864 buried Westlawn Cem. Hagerstown Indiana
Spouse Barbara Goetz

Sophia Retz
born in Germany
spouse John Ayler

i was raised by my great grandmother. George was her great grand father . any way i hope all this information helps you. i will be happy to look up anything elese you need when i go home for a visit. thanks