Otto I comté de Geldern et Zutphen

  Noted events in his life were:

• Background Information. ¹⁶⁰
William I, Count of Holland & Zealand, died Feb 1223/4, married Adelaide (d. 1218) daughter of Otto, Count of Geldern and Zutphen (d. 1207).

~Weis' Ancestral Roots of Certain American Colonists Who Came to America before 1700, 8th Edition, 100:27