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Some variants we are looking for are Mersailles, Mersales, Mersalus, Mersalius, Marseelus, Marseeluse Marseilles, Masales, Marcelius, Marcellus, Marsallis, Marsilis, Marcelisen.
Our own Marsalis/Marselis/Marseilles family began in the U. S. on May 9, 1661 with the arrival into New Amsterdam (New York) of the ship DE BEVER Passenger list : "Pieter Marselis, from Beesd, with wife, 4 children, 13, 6, 4, and 2 years old and 2 servants" --Holland Year Book 1902 According to the Holland Society Yearbook 1915 Pieter settled at Bergen, N.J. and died there with his burial recorded in the Bergen Dutch Church on September 4, 1682.