Ilpenstein Castle
Ilpenstein Castle ( Dutch:"Ilpenstein" , "Huis te Ilpendam" , "Hof te Ilpendam" ) was a castle of the Free and high Lordship of Purmerend , Purmerland and Ilpendam , located in Ilpendam ( Waterland ) in the north of the city of Amsterdam . 
<triplet> Ilpenstein Castle <subj> Ilpendam <obj> location <subj> Waterland <obj> located in the administrative territorial entity <triplet> Ilpendam <subj> Waterland <obj> located in the administrative territorial entity <triplet> Waterland <subj> Ilpendam <obj> contains settlement