William I of Berg
Adolf VII of Berg's son
William I of Berg was the son of Count Adolf VII of Berg and of Margaret of Hochstaden.
Upon the death of his brother, Count Adolf VIII of Berg, William succeeded as Count of Berg. Formerly serving as a monk, he was absolved of his religious vows... Wikipedia
Born: 1242
Died: April 16, 1308 (age 66 years)
Grandparents: Irmgard of Berg and Henry IV, Duke of Limburg
Great-grandparents: Adolf VI, Count of Berg, Waleran III, Duke of Limburg, and Cunigunda of Lorraine
Partner: Irmengarde von Kleve
Parents: Adolf VII of Berg