Complex sentence: In the 1580s, he passed it on to his younger son, Walter Dunch whose daughter, Deborah, Lady Moody, grew up at the manor before emigrating to America and founding Gravesend in Brooklyn in 1645.
Split into simpler sentences: In the 1580s, he passed it on to his younger son, Walter Dunch. The latter's daughter, Deborah, Lady Moody, grew up at the manor before emigrating to America and founding Gravesend in Brooklyn in 1645.