Captain D L C Evans Born 1884 at Sea Died 1947 IN Penzance England Seeking Living Descendants

David L.C. Evans was born 1884 at sea. His family was from Wales. He married Winifred Anning from Plymouth, England in 1918 and they had three children David, Myron, and Eira. The son David B. married Barbara Rogers of Polwithen, Penzance in 1943. Would like background information on the captain as a man, father, grandfather.