Count Simon I of Zweibrücken-Eberstein
Count Simon I of was born in 1252.  He died at the age of 29 in 1281.

 Princess Uta of Calw
Princess Uta of was born in 1242.  She died at the age of 54 in 1296.

 Princess Uta of Zweibrücken
Princess Uta of was born in 1267.  She died at the age of 29 in 1296.

 Count Gottfried of Zweibrücken
Count Gottfried of was born in 1268.

 Count Eberhard of Zweibrücken
Count Eberhard of was born in 1270.

 Count Heinrich of Zweibrücken
Count Heinrich of was born in 1273.

 Count Otto of Zweibrücken
Count Otto of was born in 1277.