+--Archibald Clendennin +--William Clendennin +--Robert Clendennin (1743-30 NOV 1818) | | +--John Morison (1628-16 FEB 1736) | +--Hannah Morison (1716-7 JAN 1802) | +--Jeanette Steele Robert Clendennin (12 NOV 1781-20 OCT 1805) +--Elizabeth Humphrey (1752-11 DEC 1806)