The couple had five children, with Oscar Gottfried Mayer being the eldest and only son. Later, Frieda, Louise, Elsie, and Eugenia were born, who indirectly also contributed to the expansion of the ...

In 1900 in Chicago, Oscar Mayer, along with his brother Gottfried, leased the Kolling Meat Market. The two sold bratwurst, liverwurst, and weißwurst and were popular in the predominantly German ...