Marie Louise South Addenbrooke, daughter of William A. Addenbrooke and Cecilia Seidmore, was born on March 6, 1869 in Mukwanago, WI and died on February 19, 1914 in Milwaukee, Milwaukee Co., WI at the age of 44. She married Lewis Hoffman Kemper, son of Samuel Relf Kemper and Mary Ann Wiseman, on April 2, 1890 in Portage, WI. He was born on May 18, 1865 in Nashotah, Waukesha Co., WI and died on May 20, 1951 in Hendersonville, NC at the age of 86.

Cecilia Louise Agnes Kemper, daughter of Lewis Hoffman Kemper and Marie Louise South Addenbrooke, was born on January 21, 1894 in Milwaukee, Milwaukee Co., WI and died in 1943 at the age of 48. She married David Roger in 1939 in New York, NY. He was born on September 22, 1900 in Cambridgeshire, England and died in February 1968 in Staten Island, Richmond Co., NY at the age of 67.

Susan Sitgreaves Kemper, daughter of Lewis Hoffman Kemper and Marie Louise South Addenbrooke, was born on October 12, 1899 in Milwaukee, Milwaukee Co., WI and died in 1934 at the age of 34. She married Hewitt Morgan.

Elizabeth Marius Kemper, daughter of Lewis Hoffman Kemper and Marie Louise South Addenbrooke, was born on March 14, 1901 in Milwaukee, Milwaukee Co., WI and died in May 1967 in Katonah, Westchester Co., NY at the age of 66. She married William Annin on July 16, 1930 in Cambridgeshire, England. He was born on October 29, 1892 and died in March 1966 in Katonah, Westchester Co., NY at the age of 73.