Carl Gustaf Donnerstad (born 1989) is a Swedish-Europan footballer. He was born in Helsingborg, Sweden (now the Baltic Union) to Willem Donnerstad (son of Princess Maria Pia of Europa) and Maria Schenk. He is a member of the Royal Family of Europa and 10th in line to the throne. He plays for Europan team AS Roma, having joined in 2008.

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