Kai married Julie Ida Charlotte Westermann Abt 1903, Of United States. Julie (daughter of Johann Andreas Westermann and Laura Emilie Augusta Louise Kidde) was born 1 Jun 1880, Of United States; died 8 Oct 1957, New York City, New York, United States. [Group Sheet]

Kai married Cecil Dixon Abt 1920, Of United States. Cecil (daughter of Robert William Dixon and Mary E Wolfinger) was born 20 Jun 1897, Of United States; died Yes, date unknown. [Group Sheet]