Count Poppo I of Saalgau
Count Poppo I of was born in 0823.  He died at the age of 64 in 0887.

 Duke Heinrich of Friesland-Austrasiorum
Duke Heinrich of was born in 0840.  Duke Heinrich of is no longer alive.

 Marquis Poppo II of Sorbenmark
Marquis Poppo II of was born in 0867.  Marquis Poppo II of is no longer alive.