Dr, Archibald Alexander, 1st professor ofPrinceton Theological Seminary (NJ) was the son ofWilliam Alexander and his wife Agnes Ann Reid.William, born 22 March 1738 near Nottingham, Chester Co, PA, was the second child and the first son ofArchibald Alexander who had married in Ireland his first cousin Margaret Parks. William's elder sister Elizabeth was born in Ireland.In 1747 the family moved to present Rockbridge Co, VA.After Margaret's death, Capt. Archibald married Jane McClure in 1757and eventually wasthe father of 15 children.Dr. Archibald was born17 April 1772 and married Janetta Waddell.Dr. Archibald's grgrgrgrf, also Archibald Alexander, moved Scotland to Ireland in the 1600's with at least 3 sons.This information is from a manuscript of this family compiled by Duncan Campbell Lyle, a descendant.