Bertram married Marcia Shepard in 1889 in Owosso, Shiawassee, Michigan, USA. Marcia (daughter of Francis Marion Shepard and Maria Adelia Dewitt) was born on 1 Oct 1869 in Owosso, Shiawassee, Michigan, USA; died on 12 Oct 1901 in Owosso, Shiawassee, Michigan, USA; was buried in Oak Grove Cemetery,Owosso,Shiawassee,Michigan, USA. [Group Sheet] [Family Chart]