Count Ulrich III of Pfirt
Count Ulrich III of was born in 1274.

 Jeanne of Mömpelgard Princess
Jeanne of was born in 1294.  She died at the age of 55 in 1349.

 Princess Johanna of Pfirt
Princess Johanna of was born in 1312.

 Princess Ursula of Pfirt
Princess Ursula of was born in 1315.  She died at the age of 52 in 1367.