Ada married Calvin Wilson Mateer on 25 Sep 1900 in Chefoo, China. Calvin (son of John Mateer and Mary Nelson Diven) was born on 09 Jan 1836 in Cumberland County, Pennsylvania, United States; was christened on 15 May 1836 in Silver Spring Presbyterian Church, Mechanicsburg, Cumberland County, Pennsylvania, United States; died on 28 Sep 1908 in Tsingtao, China; was buried in Chefoo Temple Hill Cemetery, Yantai, Shandong, China. [Group Sheet] [Family Chart]