"Edzard I, also Edzard the Great (15 January 1462 in Greetsiel – 14 February 1528 in Emden) was count of East Frisia from 1491 till his ...
death in 1528.
Edzard succeeded his brother Enno in 1492. He fought with George, Duke of Saxony over Friesland and Groningen. The city of Groningen accepted him as its lord in 1506, but in 1514 renounced him again in favor of Charles of Guelders.
After he returned from a pilgrimage to Jerusalem in 1492, he took over the rule of East Frisia together with his mother Theda. After his mother died in 1494, he ruled together with his less significant brother Uko." - (en.wikipedia.org 24.11.2019)
