Nielsen Hayden genealogy
Ancestors of John Derr
1780 - 1845 (65 years) ┌── John Derr ( - Between 20 May 1784 and 30 Apr 1785 Frederick County, Maryland)
┌── Philip Derr (25 Feb 1750 Frederick, Frederick, Maryland - 3 Feb 1821 Middletown, Frederick, Maryland)
│ (m. 11 Feb 1777)
John Derr (26 May 1780 Maryland - 12 Aug 1845 Middletown, Frederick, Maryland)
│ ┌── (Unknown) Koogle
└── Barbara Koogle (29 Aug 1755 Frederick, Frederick, Maryland - 8 Oct 1815 Middletown, Frederick, Maryland)
(m. 11 Feb 1777)