More info about the name "Cas"
Cas is a Welsh name, meaning son of Seidi. The name is often used as a shorter version of Casper, which is a Persian name for imperial descent.Cas is a diminutive of Casper, itself a Dutch and Scandinavian variant of Jasper. Jasper originates in Persian language and means "king of the treasure". In the Bible, he was one of the Three Kings who brought gifts to newly born Jesus.