Initially had Black Sabbath but I pointed out the death

I never heard of Golden Earring but an original member George Kooymans is deceased 22 July 2025
https://en.wikipedia.org/wiki/George_Kooymans

The oldest rock band is actually a babbler favourite Genesis

“Oldest rock band whose entire original line-up is still alive (as of July 2025)
Year formed Band Living original members (founding roles) Notes
1967 Genesis Peter Gabriel (vocals), Anthony Phillips (guitar), Mike Rutherford (bass/guitar), Tony Banks (keyboards), Chris Stewart (drums) – all alive and in their 73 – 75 age range Founded at Charterhouse School in January 1967; last toured (with later members) in 2022.
Wikipedia
1969 Grand Funk Railroad Mark Farner, Don Brewer, Mel Schacher Trio formed in Flint, Michigan; all three still active in various projects.
Wikipedia
1970 Aerosmith Steven Tyler, Joe Perry, Tom Hamilton, Joey Kramer, Ray Tabano/Brad Whitford All six founders are alive; Aerosmith halted touring in 2024 but reunion talk continues.
iHeart
Wikipedia
1973 KISS Paul Stanley, Gene Simmons, Ace Frehley, Peter Criss All four originals survived the band’s 2023 farewell tour.
Ultimate Classic Rock
1976 U2 Bono, The Edge, Adam Clayton, Larry Mullen Jr. Still intact and performing, though Mullen sat out some 2024–25 shows after surgery.”“