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Lisa M. Sweeney v. Mark Sweeney
2022-0021-KSJM
Del. Ch.
Jun 18, 2024
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Background

  • Lisa and Mark Sweeney, siblings, were appointed co-trustees of the Josephine S. Sweeney Living Trust after their mother’s death in 2018.
  • The Trust contained a significant amount of tangible property including real estate, coins, guns, and precious metals inherited from their uncle Richard.
  • Estrangement escalated after their aunt Theresa’s estate planning disinherited Lisa and her sister, leading Lisa to accuse Mark of undue influence.
  • Lisa engaged in hostile conduct, including refusing reimbursements, delaying administrative cooperation, and breaking into trust property in search of alleged hidden assets.
  • Lisa sued Mark alleging he breached his fiduciary duties by hiding or converting trust assets; Mark counterclaimed, both seeking the other’s removal as co-trustee.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Breach of fiduciary duty (disclosure, asset handling) Mark withheld and concealed trust assets All actions and disclosures were proper No breach by Mark; disclosure and inventory adequate
Misappropriation/conversion of trust assets Mark converted or hid valuables All assets accounted for per inventory No conversion by Mark; allegations unproven
Breach of fiduciary duty by co-trustee (Lisa’s acts) (Not advanced by Lisa) Lisa’s hostility and refusals harmed Trust Lisa breached fiduciary duty; motivated by animus
Removal as trustee Mark should be removed for breach Lisa should be removed for lack of fidelity Lisa removed as co-trustee; Mark remains
Surcharge/Damages Damages for Mark’s alleged breaches Lisa should reimburse Trust for her breaches Lisa liable for $3,011.88 to Trust

Key Cases Cited

  • McNeil v. McNeil, 798 A.2d 503 (Del. 2002) (Trustees required to keep co-trustees and beneficiaries reasonably informed; outlines essential fiduciary duties)
  • Beard Research, Inc. v. Kates, 8 A.3d 573 (Del. Ch. 2010) (Two elements for breach of fiduciary duty: existence and breach of duty)
  • In re Nat’l Collegiate Student Loan Trusts Litig., 251 A.3d 116 (Del. Ch. 2020) (Describes common law fiduciary duties of loyalty, good faith, and care for trustees)
  • Summa Corp. v. Trans World Airlines, Inc., 540 A.2d 403 (Del. 1988) (Establishes entitlement to interest on money damages from date liability accrues)
Read the full case

Case Details

Case Name: Lisa M. Sweeney v. Mark Sweeney
Court Name: Court of Chancery of Delaware
Date Published: Jun 18, 2024
Docket Number: 2022-0021-KSJM
Court Abbreviation: Del. Ch.