*Floris I Count of Holland
born about 1017 Vlaardingen, Zuid Holland, Netherlands
died 28 June 1061 (murdered) near Nederhemert, Gelderland, Netherlands

father:
*Dirk III Count of Holland & West Frieseland
born about 0981 Gand, Flandre-Orientale, Belgium
died 27 May 1039

mother:
*Otelhild (Uthildis) Princess of Saxony
born about 0983 Schweinfurt, Unterfranken, Bavaria
died 9 March 1044

siblings:
Dirk IV Count of Holland born about 1015 Vlaardingen, Zuid Holland, Netherlands
died 13 January 1049
Luitgard Countess of Holland born about 1019 Vlaardingen, Zuid-Holland, Netherlands
died 1038
Bertrade Countess of Holland born about 1021 Vlaardingen, Zuid-Holland, Netherlands
died 1056
Swanhilde Countess of Holland born about 1023 Vlaardingen, Zuid-Holland, Netherlands
died 1079

spouse:
*Gertrud Princess of Saxony
born about 1028 Schweinfurt, Unterfranken, Bavaria
died 4 August 1113
married about 1050

children:
*Adelheid Countess of Holland
*Bertha Countess of Holland born about 1054 Vlaardingen, Zuid-Holland, Netherlands
died 1093/94 Montreuil-sur-Loire, France
Floris Count of Holland born about 1059 Vlaardingen, Zuid Holland, Netherlands died young
*Dirk V Count of Holland born about 1052 Vlaardingen, Zuid-Holland, Netherlands
died 17 June 1091
Albrecht Count of Holland born about 1051 Vlaardingen, Zuid-Holland, Netherlands
Pieter Count of Holland born about 1053 Vlaardingen, Zuid-Holland, Netherlands
Floris Count of Holland born about 1055 Vlaardingen, Zuid-Holland, Netherlands died young
Machteld Countess of Holland born about 1057 Vlaardingen, Zuid-Holland, Netherlands
Adela (Christina) Countess of Holland
born about 1061 Vlaardingen, Zuid-Holland, Netherlands died 1085

biographical and/or anecdotal:

notes or source:
LDS