Floris III (c. 1141 – August 1, 1190) was the count of Holland from 1157 to 1190. He was a son of Dirk VI and Sophia of Rheineck, heiress of Bentheim.
Floris III (c. 1141 – August 1, 1190) was the count of Holland from 1157 to 1190. He was a son of Dirk VI and Sophia of Rheineck, heiress of Bentheim.
Zwammerdam is a village in the Dutch province of South Holland along Oude Rijn river. It is a part of the municipality of Alphen aan den Rijn, and lies about 6 km southeast of Alphen aan de Rijn. The name derives from a dam built in the Rhine river in 1165 AD by Count Floris III of Holland, to protect the land stream downwards from floods.
In 2020, the village of Zwammerdam had 1850 inhabitants. The built-up area of the town was 62 km², and contained 484 residences.The statistical area "Zwammerdam", which also can include the surrounding countryside, has a population of around 1810.
Ada of Scotland (died after 1206), also known as Ada of Huntingdon, was a member of the Scottish royal house who became Countess of Holland by marriage to Floris III, Count of Holland.