Schutte (1979), p. 41 and Katzenelnbogen, Anna Gräfin von state that she was born in 1440 or 1441. Katzenelnbogen, Anna Gräfin von also states that she was born in Dillenburg. The latter is very unlikely as her parents resided in Breda at that time according to Van Ditzhuyzen (2004), p. 152.
The date of death 8 April 1514 in Dek (1970), p. 69, and 5 April 1514 in Vorsterman van Oyen (1882), p. 94, and Katzenelnbogen, Anna Gräfin von.
Bieler, S. "Lüchow". EBIDAT – Die Burgendatenbank (in German). Retrieved 16 October 2022.
regionalgeschichte.net
Grathoff, Stefan. "Die Grafen von Katzenelnbogen". regionalgeschichte.net (in German). Mainz: Institut für Geschichtliche Landeskunde Rheinland-Pfalz e.V. Retrieved 16 October 2022.