Short answer: The game does not state the siblings' exact ages plainly in a single line of dialogue, so any precise number you see online is a fan estimate, not an official fact. What is clear from the story is the relationship: Andrew (Andy) is the older sibling, and Ashley (Leyley) is the younger sibling.
What the game actually tells us
The game gives you relative information, not a birth certificate. Andy is older, more responsible in theory, and expected to look after Ashley. Ashley is younger, but often more assertive and more willing to take charge. Their school history, their living situation, and the way other characters talk to them all suggest they are young adults, not children and not middle-aged adults — but the game leaves the exact numbers open, and the developer has not published a single official age chart that settles the question.
Why fan estimates vary
Fan estimates vary because different players use different clues. Some use dialogue about school and work. Some use the timeline of family events. Some use art style and character design. Some use community wikis that themselves cite other fan sources. None of those methods produces a single reliable number, and wikis that present an estimate as a fact without citing a source should be read with caution.
That uncertainty matters for more than trivia. Because the game deals with mature themes and a codependent sibling relationship, the characters' ages are often discussed in the context of whether certain fan interpretations are appropriate. Our position is simple: do not treat a fan estimate as an official age, do not use an estimate to justify adult content involving the characters, and remember that the fan community's adult material is 18+ and is not part of the base game. See our 18+ themes page for the full guidance.
What to do if you see a specific age online
- Ask where it came from. A reliable claim will cite in-game dialogue, a developer post, or an official storefront description.
- Check whether other sources agree. If only one wiki lists a number and no one else does, it is likely an estimate.
- Treat the sibling order as the reliable fact — Andy older, Ashley younger — and treat the exact numbers as unconfirmed.
Related: Characters · Are they siblings? · How tall is Ashley?
The Coffin of Andy