Count Ricfried de Betuwe
Ricfried was born about 0840.  He died about 0900.

 Hewesinde
Hewesinde was born about 0845.

 de Betuwe
de Betuwe was born about 0890.

 Count Nevelung of the Betuwe
Nevelung was born in 0918 in Betuwe, France.  He died at the age of 35 in 0953.