Edward Young Buchanan clergyman, brother of US President James Buchanan (1811-1895) (1811–1895) Parents James Buchanan, Sr. Elizabeth Speer Buchanan Children Marie Lois Buchanan Cassatt Siblings James Buchanan Maria Buchanan Harriet Buchanan Sarah Buchanan Mary Buchanan John Buchanan Jane Buchanan Elizabeth Buchanan George Washington Buchanan William Speer Buchanan Partners Anne Eliza Foster Buchanan