Count Friedrich of Zollern I & Countess Udihild of Zollern and Urach 
They had six sons and three daughters, named Friedrich, Burkhard, Egino, Ulrich, Gottfried, Adalbert, Udihild, Emma and Luitgard.
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Personal Details
Count Friedrich of Zollern I
Friedrich was born in 1060 in Zollern, Wessingen, Hohaenzollern, Prussia.1 He died at the age of 65 in 1125.1
Countess Udihild of Zollern and Urach
Udihild was born in 1064 in Urach, Schwazwald, Wuerttemburg.1 She died at the age of 70 in 1134.1
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Children
Death Notes
D: 1145/1148
Count Friedrich of Zollern II
Friedrich was born in 1095 in Zollern, Wessingen, Hohaenzollern, Prussia.1 He died at the age of 50 in 1145.1
Count Burkhard of Hohenberg
Burkhard was born in 1096 in Zollern, Wessingen, Hohaenzollern, Prussia.2 He died at the age of 54 in 1150.2
Count Gottfried of Zollern
Gottfried was born in 1101 in Zollern, Wessingen, Hohaenzollern, Prussia.3
Countess Udihild of Zollern
Udihild was born in 1104 in Zollern, Wessingen, Hohaenzollern, Prussia.3
Countess Emma Palatine of Tubingen
Emma was born in 1105 in Zollern, Wessingen, Hohaenzollern, Prussia.3
Countess Luitgard of Zollern
Luitgard was born in 1108 in Zollern, Wessingen, Hohaenzollern, Prussia.3
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I32966&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I33806&style=TABLE
3 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=bevangenealogy&id=I33010
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I33806&style=TABLE
3 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=bevangenealogy&id=I33010