Found Caroline BRUGGER in 1880 U.S. Philadelphia PA census in same household with Chas A HAESE and wife Emma M.
Caroline is listed as head, age 51,Married,Keeping house, bp Prussia; parents' bp Prussia Her children listed in the household: Dau Mary BRUGGER, 27, b PRU, Single, Dressmaker Dau Emma BRUGGER, 17, b PRU, Single, At home Dau Matilda BRUGGER, 16, b PA, Single, At home Son Charles BRUGGER, 14, b PA, Single, At home
The unknown father is not in the household and can't be found in the 1880 index for anywhere in the U.S.He was born in Bavaria, prob 1820s-early 1830s.
Who was Caroline's husband? Was she widowed?Was she divorced? Abandoned?
Based on children's ages, there must have been others born before and after Mary [note the 10-year gap between Mary and Emma]. I have been able to track son Charles in the 1900, 1920, 1930 Philadelphia censuses.
Was Caroline BRUGGER Chas A HAESE's sister?[Chas=Carl August HAESE]