Complex sentence: Weeks married the former Beatrice Dowse on December 4,1915, they had three sons and two daughters, Frances W.H. Lawrence, John W. Weeks II, Sinclair Weeks II, Beatrice Weeks and William D. Weeks.
Split into simpler sentences: Weeks married the former Beatrice Dowse on December 4,1915. They had three sons and two daughters, Frances W.H. Lawrence, John W. Weeks II, Sinclair Weeks II, Beatrice Weeks and William D. Weeks.