Ulrich II D'+ Argengau
Ulrich II D'+ was born about 0782 in Argengau, Switzerland.  He died before 0824.

 Suzanne De+ Friuli
Suzanne De+ was born about 0789 in Paris, Seine, Ile-de-France, France.

 Ulrich III Von+ Argengau
Ulrich III Von+ was born about 0820 in Argengau/Argengau, Switzerland.

 Wulgrin I D'+ Angouleme
Wulgrin I D'+ was born before 0825 in Maine, Normandy, France.  He died in Angouleme, Charente, Poitou-Charentes, France.