*Otto I Count van Guelders
born about 1150 Zutphen, Gelderland, Netherlands
died after 30 April 1207

father:
*Hendrik II Count van Guelders en Zutphen
born before 1130 Zutphen, Gelderland, Netherlands
died 4 December 1182 Zutphen, Gelderland, Netherlands

mother:
*Agnes von Arnstein
born about 1128 Arnstein, Unterfranken, Bavaria
died 1179 Zutphen, Gelderland, Netherlands

siblings:
Gerard III Count van Guelders born 1148 Zutphen, Gelderland, Netherlands died 1182 Zutphen, Gelderlands, Netherlands
Aleidis van Guelders born 1152 Zutphen, Gelderland, Netherlands died 4 February 1218 Rhieneck, Unterfranken, Bavaria
Margarethe van Guelders born 1154? Zutphen, Gelderland, Netherlands died Berg, Rheinland, Prussia
*Agnes van Guelders Countess of Namur & Luxembourg born 1156? Zutphen, Gelderland, Netherlands died 1185

spouse:
*Richardis von Wittelsbach Princess of Bavaria
born about 1173 Kelheim, Niederbayern, Bavaria
died 21 September 1231 Roermond, Limburg, Netherlands

children:
Gerard IV Count of Guelders & Zutphen born about 1185 Zutphen, Gelderland, Netherlands died 22 October 1229
Hendrik III Count of Guelders born about 1186 Zutphen, Gelderland, Netherlands died 1197
*Aleid van Gelre (Guelders) born about 1187 Zutphen, Gelderland, Netherlands died 4 February 1218
Lodewijk van Guelders born about 1188 Zutphen, Gelderland, Netherlands
Died: 21 Jun 1217 Utrecht, Netherlands
Margaretha van Guelders born about 1190 Zutphen, Gelderland, Netherlands died after 1264 Hostaden
Irmgard van Guelders born about 1192 Zutphen, Gelderland, Netherlands died after 1230 Altena, Westfalen, Prussia
Mechteld Van Gelre Countess of Nassau born about 1194 Zutphen, Gelderland, Netherlands
died after 1247 Nassau, Hessen-Nassau, Prussia

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com