Floris I (born c. 1017 in Vlaardingen – 28 June 1061) was count of Holland, then called Frisia west of the Vlie, from 1049 to 1061.
Floris I (born c. 1017 in Vlaardingen – 28 June 1061) was count of Holland, then called Frisia west of the Vlie, from 1049 to 1061.