Queen Yocasta was until recently, the very capable if autocratic ruler of Valermoore, but recently, she has changed. She is allways seen with a young woman, always wearing a heavy veil and gloves, who never speaks or moves. She claims that she is her daughter,Princess Chrysta, but a faint noxious smell comes from the veiled woman…
A possible answer to what happens to spells when a mage dies. If the spell is strong enough, say and enchantment or other permenant effect, part of the mages spirit may become lodged in the magic. It may be a way for items to gain some kind of intelligence, but a mage who has knowledge of this fact would be very hesitant about enchanting anyone or thing. He might have other plans for his afterlife than counting the change in your bag of holding.
Preists, I think, would have this sort of thing covered.