Mary Jennifer Guinness/née Hollwey was born in 1938 and died on January 23, 2016.
She was an Irish socialite and member of the Guinness family.
She was married to John Henry Guinness on April 9, 1959.
The couple had three children: Ian Richard Guinness, Gillian Sarah Guinness and Tania Caroline Guinness
She was an enthusiastic sailor and was a member of Howth Yacht Club.
Jennifer was kidnapped, in April 1986
She was rescued by the Garda Síochána later that month.
After they had gone to court, the brothers Michael and John Cunningham were convicted, along with their associate, Anthony Kelly after being arrested at the house in Waterloo Road where Guinness was held hostage.
One of the kidnappee, Brian McNicholl was convicted, with the judge accepting that his role was mainly to provide a location for Guinness to be held.
However, Anthony Kelly passed away in 2005 and Michael Cunningham in 2015.
Jennifer husband passed away in February 1988.
Jennifer Guinness passed away at 78 yrs old.