Source:

1930 Federal Population Census, Record Type: Federal Population Census, Household: Ferdinand Kolbe, Record Info: Population Census, Detroit, Wayne, Michigan, ED 819, Sheet 15A, Film: T626, Roll #1065 (April 24, 1930)

Citations:

Person(s) of Interest:

• Kolbe, Martha Hermina (15 NOV 1884 – 30 JUN 1964)
• Schmidt, Martha Hermina (15 NOV 1884 – 30 JUN 1964)

Notes: