Because Mapleshade's mate, left her for Crookedstar's grandmother.
Yes, Mapleshade indirectly contributed to Willowbreeze's death by manipulating Crookedstar into banishing her, which led to her demise while trying to find another mate for herself.
Mapleshade is a ragged, large, sturdy, thick furred ginger-and-white she-cat, with a fluffy white tail, a white muzzle, a scarred head, thorn-sharp claws, matted fur, sharp, yellow teeth, and amber eyes. (Taken from Warriors Wikia.)
Mapleshade is a cat in the Dark Forest who helps Hawkfrost train the cats. She is first stated in Omen of the Stars and in a super edition, Crookedstar's Promise.
Mapleshade Records was created in 1989.
Crookedstar's and Oakheart's mother is Lilystem. But in Crookedstar's Promise, in the alligiences it says Rainflower.
Mapleshade's mother is named Fallen Leaves. She is a character from the "Warriors" series by Erin Hunter, specifically mentioned in the novella "Mapleshade's Vengeance." Fallen Leaves is a kind and caring cat who plays a significant role in shaping Mapleshade's early life and character.
Crookedstar's mate was Willowbreeze.
I personally don't think Rainflower hates Crookedstar because they are mother-son. But it's probably just a rumor.
The ISBN of Crookedstar's Promise is 9780061980978.
Crookedstar's mate is Willowbreeze, Fallowtail's kit.
Crookedstar's Promise was created on 2011-07-05.
Crookedstar only has three kits minnowkit willowkit and silverstream u would know this if u read crookedstars promise