OTTO I COUNT de GUELDERS
He died on April 30th, 1207.¹ 

 RICHILDE (Richardis) von WITTELSBACH
RICHILDE (Richardis) was born about 1160.¹   She died on December 7th, 1231.¹ 

 ADELAIDE (Countess) de GUELDERS
ADELAIDE (Countess) was born about 1186.^1 1