Mary Elizabeth Whipple and John Cowles Foster were married April 6, 1860 in Prescott Wisconsin. Their first child, Isaac Lewis was born in February 1861 and died in May of that year. Mary Zoella was born July 19, 1862. Robert was born February 8, 1865. Martha was born March 28, 1867. Isaac C. was born December 26, 1868. Gertrude was born September 5, 1871. And Bertha was born March 14, 1874