William Frederick Koelpin was born 1845 in Prussia, Germany, and died 1889 in Swan Hill, Vic. He married Lotitia Gamble on 1872 in Victoria, daughter of John Gamble and Jane.
More About William Frederick Koelpin and Lotitia Gamble: Marriage: 1872, Victoria.
Children of William Frederick Koelpin and Lotitia Gamble are: