Edzard II was Count of East Frisia from 1561 to 1599. He was the son of Enno II of East Frisia and Anna of Oldenburg.

Anna of Oldenburg was a Countess consort of East Frisia as the spouse of Count Enno II of East Frisia. She was the Regent of East Frisia in 1542–1561 as the guardian for her minor sons, Johan II and Edzard II. Her reign lasted until 1561 and was generally supported by the Estates.