FRANKFURT (Reuters) - Volkswagen's (>> Volkswagen AG) biggest shareholder Porsche SE (>> Porsche Automobil Holding SE) backed the carmaker's management after Chairman Ferdinand Piech resigned after losing a leadership row on Saturday.

"We have complete faith in the management of Volkswagen and regret the developments of recent days," Porsche SE Chairman Wolfgang Porsche, who is also Piech's cousin, said in a statement.

He added that Porsche SE, which controls 51 percent of Volkswagen's common stock, would continue to live up to its responsibility as a major shareholder of the carmaker.

(Reporting by Maria Sheahan; Editing by Georgina Prodhan)

Stocks treated in this article : Volkswagen AG, Porsche Automobil Holding SE