Thierry III Comte de Montbeliard
Thierry III Comte de was born about 1076 in Montbelliard, Doubs, Franche-Comte, France.  He died in 1112.

 Gertrude von Habsburg
Gertrude von was born about 1092 in Habsburg, Aargau, Switzerland.

 Agnes de Montbeliard
Agnes de was born about 1110 in Montbelliard, Doubs, Franche-Comte, France.  She died in 1148.