One of rock's most enduring marriages ends as Santana splits after 34 years

Deborah Santana cited irreconcilable differences as her reason for wanting to dissolve the couple's 34-year union when she began legal proceedings last month.

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Despite having three children together and 34 years of marriage behind them Deborah Santana is divorcing rockstar husband Carlos due to irreconcilable differences

The split has come as a shock to the music industry as the Sanatanas' marriage was viewed as one of the most enduring in the business.

In a 2000 Rolling Stone magazine cover story, Carlos Santana said his wife was his spiritual, emotional and financial "guiding light," adding that he would "probably be a hobo" if she had not restructured his business life in 1994.

He described himself as the "space cadet" in the relationship, and she said she had "trained" him to involve himself fully in their children's lives, take out the trash and drive the car pool when he was not touring.

However, in her 2005 memoir, "Space Between the Stars," his wife revealed he had been unfaithful.

After its publication, Carlos Santana apologized and was trying to be a better man.

He said: "I sincerely apologized to her and to my kids when I wasn't in my right mind and did something hurtful. It (the memoir) has helped me become more humble and to try harder to be the man she wants me to be."

Mexican-born Carlos Santana, famed for such 70s hits as "Black Magic Woman" and "Oye Como Va," has sold over 90 million albums worldwide during a career spanning 40 years.

He won eight Grammy Awards for his hugely popular 1999 comeback album "Supernatural."

The couple, who have three children, created non-profit-organisation the Milagro Foundation which supports underprivileged children. They also announced plans to open three Mexican restaurants in San Francisco earlier this year.

Neither have commented on their pending divorce with Carlos Santana's publicist, Michael Jensen, saying the case is "a private matter and there is no comment."