Leonard was born about 1907 in Oklahoma, USA, the son of Joseph Dunham and Jenny L. Dunham (mnu).
Leonard L. Dunham (c1907-)
Joseph Dunham (1866-1934)
Jacob Mackey Dunham (1824-1907)
Jacob Dunham (1795-1865)
Catherine Goodnight (c1792->1870)
Louisa Eliza Stroup (1837-1901)
John Stroup (c1814-1851)
Eliza Jane Clemmons (c1816-1882)
Jenny L. Dunham (mnu) (c1871-?)