Texel with Eierland on the lower right the Eijerland polder with the Cocksdorp. Eierland was part of Vlieland at the end of the 13th century the Eierlandse Gat was created and Eierland became an independent island, halfway through the 17th century Eierland was connected to Texel by the construction of the Zandijk .© 30 juni 2018 Marco van Middelkoop/Aerophoto-Schiphol