Which language closely related to the Frisian languages does Robin D. Gill speak fluently?
Robin D. Gill: Robin Dallas Gill, born in 1951 at Miami Beach, Florida, USA, and brought up on the island of Key Biscayne in the Florida Keys, is a bilingual author in Japanese and English. English language:  It is closely related to the Frisian languages, but its vocabulary has been significantly influenced by other Germanic languages, particularly Norse (a North Germanic language), as well as by Latin and Romance languages, particularly French.
English