NameConrad Siebert 
Spouses
Birthabout 1749, Longswamp Twp, Berks Co, PA
Research notes for Maria Magdalena (Spouse 1)
On 13 Oct 1759 at Longswamp, Johannes Mertz and Magdalena Mertz sponsor the baptism of Mary Magdalena Litweiler d/o Heinrich and Sara. Magdalena may be Jacob's wife but if she is Nicholas' daughter, that calls into question her assigned birth year.