Squirrelflight is about 2 years old, she is Firestar' daughter, and she pretends to have kits with Brambleclaw (Hollyleaf, Jayfeather, and Lionblaze) but the kits are actually Leafpool's kits.
Squirrelflight is a fictional character in the Warriors book series by Erin Hunter, so her age is not explicitly stated in the books. However, she is a senior warrior in the clan, which could mean she is at least a few years old in cat years.
Squirrelflight's father was Firestar.
Squirrelflight is Leafpool's sister!
Assuming that you are talking about Squirrelflight's big lie, Squirrelflight lied to protect Leafpool as well as Jayfeather, Lionblaze, and Hollyleaf from the truth.
Ashfur did not kill Squirrelflight in any book. He did attempt to harm her in "Sunset" (Warriors: The New Prophecy series) by attempting to push her off a cliff, but Squirrelflight survived. Ashfur's actions were driven by his jealousy and betrayal, but they did not lead to Squirrelflight's death.
no squirrelflight WAS mates with Brambleclaw but not anymore,and ashfoot is a windclan she-cat
Squirrelflight is not infertile. She and Bramblestar have kits together in the Warrior Cats series.
they didn't squirrelflight lied.
No, Leafpool is not the mother of Squirrelflight's kits. Squirrelflight's kits, Alderheart and Sparkpelt, were actually born to Squirrelflight and Bramblestar. Leafpool is Squirrelflight's half-sister.
Firestar and Squirrelflight
Yes, Squirrelflight and Brambleclaw knew that Jayfeather was not their biological kit. Squirrelflight had taken Jaykit (Jayfeather) from Leafpool, her sister, to raise as their own after Leafpool was unable to care for him due to her role as a medicine cat. Brambleclaw was also aware of the situation and supported Squirrelflight in this decision.
No.
Of course! No cat lives forever after all. How or when Squirrelflight however, is not known. You will have to wait to find out.