No.
In the "Warriors" series by Erin Hunter, Lionblaze and Hollyleaf do not end up in romantic relationships with any specific cat. They focus on their duties as warriors of ThunderClan and do not prioritize romantic relationships in the story.
The Fourth Apprentice is the title of the book. In Sunrise, Hollyleaf dies and the prophecy was almost ruined. Jayfeather, Lionblaze, and Hollyleaf were the 3 warriors in the prophecy, but when Hollyleaf died, they needed someone to replace her, the fourth appentice.
No, he loved Squirrelflight, but was denied because she chose Brambleclaw over Ashfur.
Hey who knows? ANSWER 2: Hollyleaf
Hollyleaf is a black cat with green eyes.
THIS IS A SPOILER!!!! Hollyleaf is replaced by Dovewing, the actual third and Hollyleaf dies in the great battle.
Crowfeather is Jayfeather, Lionblaze and Hollyleaf's father.
After the events of Long Shadows, yes, Ashfur dies, presumably murdered by his former love. he is murdered by hollyleaf
It is not explicitly mentioned in the Warrior Cats series that Mousewhisker loved Hollyleaf. Their relationship was primarily one of comrades and Clanmates, rather than romantic partners.
Yes, it is true that Hollyleaf is the daughter of Leafpool.
hollyleaf didn't drown. she got trapped in a collapsed bracken this is in sunrise