Joanna, Countess of East Frisia

Joanna, Countess of East Frisia, Born 1411, died 1474 was the daughter of Charles I, King of Normandy and Yolande of Aragon. In 1431 she married Ulrich I, Count of East Frisia who she had six children with.

Issue

 * Heba (1437; † 1456), married count Eric I of Schaumburg-Pinneberg,
 * Gela (1438; † 1477),
 * Enno I (1440; † 1471),
 * Edzard I (1442),
 * Uko (1443; † 1487),
 * Almut (1445; † 1502).