Ulrich II, Count of Heunburg - 1308 (1250–1308) Parents Elisabeth Wilhelm IV 'der Jüngere', Graf von Malta, Graf von Laas Children Elisabeth von Heunburg countess Margareta, co-heiress of Heunburg countess Katerina, lady of Celje, co-heiress of Slovene lands of Heunburg Friedrich von Heunburg Partners Agnes of Baden