No. It would not be valid bases on the Alaska Statute below.
Title 13. DECEDENTS' ESTATES, GUARDIANSHIPS, TRANSFERS, TRUSTS, AND HEALTH CARE DECISIONS
Chapter 13.16. PROBATE OF WILLS AND ADMINISTRATION
Article 09. SPECIAL PROVISIONS RELATING TO DISTRIBUTIONCurrent through Chapter 9 of the 2017 Legislative Session
§ 13.16.555. Penalty clause for contest
A provision in a will purporting to penalize any interested person for contesting the will or instituting other proceedings relating to the estate is unenforceable if probable cause exists for instituting proceedings.
Cite as AS 13.16.555