Jupiter (mythology) practice of swearing by Jove to witness an oath in law courts is the origin of the expression "by Jove!"—archaic, but still in use. The name of the god was also adopted as the name of the planet Jupiter; the adjective "jovial" originally described those born under the planet of Jupiter (reputed to be jolly, optimistic, and buoyant in temperament). Jove was the original namesake of Latin forms of the weekday now known in English as Thursday (originally called "Iovis Dies" in Latin). These became "jeudi" in French, "jueves" in Spanish, "joi" in Romanian, "giovedì" in Italian, "dijous" in Catalan,
David Jove and comedian Lotus Weinstock. Their daughter is actress, musician Lili Haydn. Lili was an accomplished violinist at a young age, playing locally in Hollywood, CA. Dave claimed extreme fondness for Lili's music and talent and invited friends to meet him at her performances, although few were told it was his daughter they were listening to. Jove was diagnosed with pancreatic cancer just before he died in 2004, aged 61, in Los Angeles. David Jove David Jove (December 14, 1942 – September 26, 2004), born David Sniderman, was a Canadian director, producer, and writer, particularly of underground and alternative music-themed films.