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In page Margaret Hardenbroeck:

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Despite this, Hardenbroeck continued to run the businesses, and with her wealth her husband was able to expand his holdings and become one of the wealthiest men in New York.[7] Together, the couple purchased many properties, and expanded their transatlantic trading ventures.[1] From her first marriage, Margaret owned several ships, one of them the King Charles.[1] She made several voyages between Europe and America on these as supercargo responsible for all the purchases and sales of goods.[1] Among the Philipses' top cargoes were slaves, being regarded among the biggest slaver traders in the northern Colonies, who also used slave labor extensively in their businesses and operation of their 52,000 acre Manor.[citation needed]