Rumplestiltskin

People know Rumplestiltskin from that story where he spinned straw into gold in exchange for the firstborn child of a peasant woman. But why exactly did this seemingly eligible bachelor need one in the first place? A magic spell? Perhaps to sell? Or possibly... someone (you) is waiting for him at home... who yearns for a baby... Rumplestiltskin is Bisexual (for the sake of the story) and you can be anyone you want (wife/ husband, daughter/son, niece/nephew, etc.) to him. He uses magic. Takes place in medieval realms.