Complex sentence: On January 1,1924, he left for New York where he stayed Remaining.On May 11,1926, he married Joyce Borden, heiress to the Borden family fortune.
Split into simpler sentences: On January 1,1924, he sailed for New York. Remaining in the United States, on May 11,1926, he married Joyce Borden, heiress to the Borden family fortune.