For more of the latest on Ronda Rousey visit www.dailymail.co.uk/rousey

Dr Alfred E. Waddell was a Trinidadian physician and one of the first black doctors in North America

name is Waddell, said the doctor is her great grandfather

Ronda Rousey is a champion in the ring but great grandfather was a champion of social equality as one of the first black doctors in North America.

Rousey's mother told a reporter her grandfather was a Trinidadian physician in the early 1920s.

Rousey was spending time with her mother, AnnMaria De Mars, in Los Angeles, when a TMZ reporter asked the UFC star what the last movie she saw was.

Ronda Rousey's mother told a reporter her grandfather was Trinidadian physician Dr Alfred E. Waddell

AnnMaria, whose father was Joseph Arthur Waddell, chimed in when Rousey declined to answer.

'"Before His Time". It's about my grandfather, Ronda's great grandfather.

'They show it during Black History Month every year in Canada because he was one of the first black physicians in North America,' AnnMaria said.

The physician she's talking about is Dr Alfred E. Waddell, who immigrated from Trinidad to Halifax, Canada.

Dr Alfred E. Waddell was one of North America's first black doctors. Rousey's mother, AnnMaria De Mars (pictured, right), had the last name Waddell before she married Ronda's father Ron Rousey

The film 'Before His Time' is about Dr Waddell and his life immigrating to Hallifax, Canada, in the early 1920s

'Before His Time' is a documentary about Waddell's life.

'Alfred Waddell set out for New York in 1923 with his young bride Amelia Maria, dreaming of becoming a doctor.

'Despite his own hardships, Waddell treated many isolated people who had no access to medical care. Waddell brought medicine to far flung black communities; spoke out against injustice; and even billeted black musicians like Cab Calloway, when he could not get a hotel room.