Uko Fockena, East Frisian chieftain (b. c. 1408)
Uko Fockena (also known as: "Uko of Oldersum"; c. 1408, Oldersum (uncertain) – 13 June 1432 near Suurhusen) was an East Frisian chieftain of Moormerland and Emsigerland.
Uko Fockena, East Frisian chieftain (b. c. 1408)
Uko Fockena (also known as: "Uko of Oldersum"; c. 1408, Oldersum (uncertain) – 13 June 1432 near Suurhusen) was an East Frisian chieftain of Moormerland and Emsigerland.