_James BUCHANAN _____ | (1702 - 1765) _John BUCHANAN ______| | (1732 - 1780) | | |_Martha ALLISON _____ | (1705 - 1743) _John BUCHANAN ______| | (1761 - 1831) | | | _____________________ | | | | |_Martha BUCHANAN ____| | (1730 - 1780) | | |_____________________ | | |--Patrick Campbell BUCHANAN | (1799 - 1873) | _____________________ | | | _____________________| | | | | | |_____________________ | | |_Nancy WRIGHT _______| (1771 - 1860) | | _____________________ | | |_____________________| | |_____________________