Their auto was swept away by a torrent of water near the coastal resort of S'Illot.
Spain's weather agency said up to 22 centimeters (8.7 inches) of rain fell within four hours, triggering flash floods in the island.
At least five people are believed to have died when torrential rainstorms deluged the town of Sant Lorrenc, about 40 miles east of the capital Palma, on Tuesday evening.
Piles of rubbish and wrecked furniture cluttered the streets in Sant Llorenc des Cardassar, one of the worst-hit villages, while locals with the aid of volunteers used mops to clean up the water flooding their homes.
There is also one unidentified man - also possibly a foreigner.
A Foreign Office spokesman confirmed they were supporting the family of two British people following their deaths in Spain.
Spanish tennis star Nadal, 32, was pictured wearing boots and white gloves, mopping up the floor of a warehouse on Wednesday on the island where he lives.
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More than 30 buildings of the Vancouver campus may be affected. "So we are asking everybody to chip in", said Stout. The company will update its customers as soon as it is in a position to offer something new, said Stout.
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Also attending is former National Football League great Jim Brown, a civil rights leader who has met with Trump previously. Trump spoke about the meeting during a Wednesday interview with Shannon Bream on Fox News .
Rescuers searching for a German couple who have been missing in Mallorca since the flooding have recovered two bodies on the island.
Last year, 13.8 million foreign tourists visited the Balearic Islands led by German nationals and then Britons, according to official statistics.
"We regret to confirm that the bodies of a man and a woman have been found near Artà, close to the area where the auto of the missing German couple had been found", the Balearic Islands emergency services said in a statement on Thursday. The biggest numbers came from Germany and Britain.
Spanish Prime Minister Pedro Sanchez said in a tweet that he is closely following developments on the ground. "My honest condolences to the relatives of the deceased and injured by the severe floods in San Llorenç".
At least three towns closed schools and hundreds of people were sheltered in sport facilities and a local horse racing track, authorities said.
Spain's central government "has taken the first steps to ensure that those affected receive the necessary help as soon as possible", government spokeswoman Isabel Celaa told reporters following a weekly cabinet meeting.