Historical clue formulations

• One of several named in a will — 2024-06-30
• Estate sharer — 2019-01-02
• Sibling, often — 2009-05-01
• One who can't have everything? — 2007-12-30
• Legacy sharer — 2004-05-25
• Sibling, often — 2001-07-08
• Beneficiary's brother, perhaps — 1997-05-31