public profile
Son of Graf Sibet von Dornum and Frouwa Cirksena Husband of Anna (Onna) von Stedesdorf (Attena) and Margarethe von Westerwolde Father of Hero I "The Younger" Omken von Esens,, Freiherr von Esens; Fruwe Attena; Wibet Attena; Ulrich von Dornum and Sibo Half brother of Tammo Gockinga
[https://de.wikipedia.org/wiki/Sibet_Attena]
Picture from [https://commons.wikimedia.org/wiki/File:Sibet_Attena_Sarkophag.JPG]