Baton Rouge, LA - Jeffrey Herbert Blackwell, Sr., age 65, passed away peacefully on January 25, 2026. He was born on October 6, 1960, and was preceded in death by his parents, Robert John and Louella Lee Blackwell. Above all else, Jeff was a devoted and loving father and grandfather. His greatest pride and joy were his three children; Melissa Thomson (William), Rebecca Blackwell, and Jeffrey Blackwell Jr. and his grandchildren, Mark Matthews, Kane Saucier, Madison Thomson, and Liam Blackwell. He and his former wife, Debbie Stevens, were married for over thirty years and raised their children together. His love for his children and grandchildren was constant, deep, and unwavering, and his dedication to his family was evident in everything he did. Jeff is survived by his siblings, John Blackwell (Mary), Emily Kelly, and James Blackwell; his nieces, Kaitlyn and Caroline Kelly; his nephews, Matthew and Jonathan Blackwell; numerous great-nephews; his lifelong childhood friend, Kathy Hawkins; many extended family members and friends; and the mother of his children, Debbie Stevens. Family meant everything to Jeff. In addition to his role as a father and grandfather, he was a proud uncle and Godfather to Kaitlyn and Caroline, whom he loved dearly and was always proud of. Jeff loved LSU sports and Saints football. He was the biggest fan of his children's recreational sports leagues as they grew up, he even spent some time volunteering as a softball coach. He always had a corny "Dad" joke ready to share and was always willing to lend a helping hand to family and friends. His lucky number 13 was a special part of his life, chosen intentionally but also appearing in unexpected ways throughout his journey, woven into the fabric of his story and the life he lived. Visitation will be at Resthaven Funeral Home, 11817 Jefferson Hwy, Baton Rouge, Louisiana, on Friday, February 13, from 1:30 pm until religious service at 2:30 pm, conducted by Rev. Leslie Hyacinth. Entombment at St. George Mausoleum, 7808 St George Dr, Baton Rouge, Louisiana. Jeff will be remembered for his loyalty, love for family, and the joy and laughter he brought to everyone around him. His memory will live on through his children and grandchildren and in the hearts of all who knew and loved him. Jeff will be deeply missed and forever remembered.