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Melissa Gilbert Finds Three Previously Unknown Biological Brothers

After a DNA-app match prompted cousin-led genealogy identified siblings on her birth mother’s side, Gilbert says she will lay out the full reunion on Substack.

Overview

  • Gilbert announced that recent genealogy work uncovered three biological brothers she did not know she had, identified as Matt, Laird and the late Mark.
  • The connection began when a consumer DNA app matched Gilbert with a distant cousin whose research traced the birth‑mother line to the brothers.
  • One surviving brother, Matt, posted on social media confirming the relationship, credited cousin Harry Lee Scott for the discovery and said the reunion is meaningful beyond Gilbert’s public profile.
  • Gilbert said she and the siblings are forming relationships now, noting she and Matt are becoming especially close while Mark’s son represents the late brother’s side of the family.
  • The actress framed the episode as part of a longer exploration of adoption and identity and plans to publish the fuller story and family history on her Substack, illustrating how DNA tools and cousin-driven research are reshaping family searches.