“Tom was an exceptional man who lit up the lives of all who knew him,” read a statement issued by Buckingham Palace on behalf of his widow Lady Gabriella and his family.

Here’s everything we know about the beloved late member of the royal family:

Meet Dara Huang, the Harvard-educated architect with royal connections

Who was Thomas Kingston to the royal family?

Thomas Kingston joined the royal family when he married his wife Lady Gabriella Windsor, the daughter of Prince Michael of Kent, a first cousin to the late Queen Elizabeth.

She is 56th in line for the British throne, per People.

What did Thomas Kingston do for a living?

Kingston worked as a financial analyst, with his most recent position listed as director of private equity company Devonport Capital, according to Sky News. Years ago, he worked for the diplomatic missions unit of the Foreign Office in Baghdad, Iraq, where he was a hostage negotiator, per British media.

Who has the disgraced royal Prince Andrew been romantically linked to?

Did Thomas Kingston date Pippa Middleton?

Per British media, he also had a thing with one of Prince William’s exes, Natalie Hicks-Löbbecke, who he apparently dated before getting engaged to Gabriella.