Count Frederick of Isenberg was a German noble, the younger son of Arnold of Altena. Before the split between Arnold of Altena-Isenberg the eldest and his brother Friedrich Altena-Mark the younger son of Everhard von Berg-Altena. His family castle... Wikipedia
Born: 1193
Died: November 13, 1226 (age 33 years), Cologne, Germany
Nationality: German
Grandchildren: Everhardt I, Count of Limburg Hohenlimburg, Johann of Isenberg-Limburg, Friedrich von Moers, and more
Grandparent: Eberhard I, Count of Berg-Altena
Great grandchildren: Sophie von Volmestein, Dietrich von Volmestein, Johann I von Wildenburg, and more
Great-grandparent: Adolf IV, Count of Berg