Researched September 2026 against Comelec 2025 results. Every relationship is quoted from a published source; people who share a surname without a published statement of kinship are left out. Family relationships do not imply wrongdoing or political agreement.
Documented family networks; not a complete government or barangay roster. National offices are distinct from local offices.
DuterteThree generations of Dutertes hold Davao City's mayoralty, vice mayoralty and two of its three House seats after 2025, descending from former Davao governor Vicente Duterte.
UngabBrothers Isidro and Alberto Ungab have alternated in the 3rd district House seat since 2007, and an Alberto Ungab topped the 3rd district council race in 2025.
QuitainCouncilor and former vice mayor J. Melchor Quitain Jr. is the son of former 1st district councilor and city administrator Jesus Melchor Quitain.
Bonguyan2nd district councilor Louie John Bonguyan is the son of former vice mayor Luis Bonguyan.
VillafuerteCousins Enzo and Trisha Ann "Potpot" Villafuerte both won 3rd district council seats in 2025.
IbuyanCouncilor Ragde Ibuyan, his father Edgar Sr., a former barangay league president, and his brother Edgar Jr., a former councilor
ApostolNew 2nd district councilor Doce Apostol succeeded his brother, six-term councilor Dante Apostol; their late father Fortunato Sr. was an appointed councilor.
Abella2nd district councilor Ralph Abella returned in 2025 to the seat held for one term by his wife Marissa Abella.