Complex sentence: They have two daughters, Mary Leach Warner and Lucy Leach Davenport and husband Craig A. Davenport (both born 1970), and a married son, Claude Alexander Leach (born 1974) of Lake Charles.
Split into simpler sentences: They have two daughters, Mary Leach Warner and Lucy Leach Davenport. There is a married son, Claude Alexander Leach (born 1974) of Lake Charles.