Dagobert of the Salic Franks
Dagobert was born in 0340.  He died at the age of 59 in 0399.

 Ildegonde of Lombardi
Ildegonde was born about 0355.  Ildegonde is no longer alive.

 Ildegonde of Cologne
Ildegonde was born in 0399.  She died at the age of 51 in 0450.