Ulrich II Von Pfirt
Ulrich II Von was born about 1210.  He died on March 1st, 1276.

 Agnes De Vergy
Agnes De was born in 1210.  She died at the age of 61 in 1271.

 Friedrich De Rougemont
Friedrich De was born after 1240.

 Adelheid Von Pfirt
Adelheid Von was born after 1240.

 Ludwig Von Pfirt
Ludwig Von was born after 1240.  He died before 1268.

 Stephania Von Pfirt
Stephania Von was born after 1240.  She died on October 23rd, 1276.

 Theobald Von Pfirt
Theobald Von was born about 1250.  He died about 1311.

 Sophie Von Pfirt