Search of Tresoar.nl births:
Search of Ellis Island records revealed Arrived May 10 1897 on the Amsterdam, which sailed from Rotterdam; came with brother Iete, sister-in-law Elisabeth, nephews Gerlof and Wilhem and niece Grietje, and Simon Westra
Name listed as "Claus" and married; wife had children previously - given that she had 4 but only 3 are listed
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