Venus and Serena Williams' father Richard had stroke before Wimbledon 2016 final

Richard Williams is believed to have had the stroke while his daughters Serena and Venus were competing at Wimbledon, but they kept the news to themselves.

Serena Williams' dad suffers stroke, The Sun

Serena Williams: Most Up-to-Date Encyclopedia, News & Reviews

Serena and Venus Williams father suffering from 'dementia' as court battle with estranged wife rages

Serena and Venus Williams' father Richard has dementia, brain damage after strokes, court documents reveal - NZ Herald

Richard Williams: Who is Venus and Serena Williams' father?

Serena Williams' dad suffers stroke, The Sun

Serena and Venus Williams' father tells Will Smith what he thought of Chris Rock slap - Mirror Online

Richard Williams out of hospital after suffering stroke, wife says - ESPN

Richard Williams leaves Venus and Serena to take centre stage, Wimbledon