He was forced to spend 18 months in prison before the Court of Appeal overturned the conviction.
Ronan later packed up and moved to England, where he once again found himself in trouble with the law after he was arrested and charged with conspiring to cause explosions against "persons unknown".
Lawson is a cousin to both George Monbiot and Fiona Shackleton through the Salmon family.
Taking part in the third series of the BBC family-history documentary series, Who Do You Think You Are?
The sound of a plastic bag being crinkled would send her deranged.
She’d shout at all of us and say, “I’m going to hit you till you cry”, and so I never would cry. As she cared for her mother as she lay dying, her mother told her that she at least had the option of killing herself now Miss Lawson was an adult, because it would have been far worse to have committed suicide when the children were younger.
Nigella Bites won Lawson a Guild of Food Writers Award; her 2005 ITV daytime chat show Nigella was met with a negative critical reaction and was cancelled after attracting low ratings.
She hosted the Food Network's Nigella Feasts in the United States in 2006, followed by a three-part BBC Two series, Nigella's Christmas Kitchen, in the UK, which led to the commissioning of Nigella Express on BBC Two in 2007.
Bring to the boil, lower the heat to a simmer, cover and cook for a further 15 minutes or so.
Purée in a food processor or blender or, if you like a soup with more texture, just stick a hand-held blender in the pan or bash about with an old-fashioned potato masher.
They both remarried: her father that year to a House of Commons researcher, Therese Maclear (to whom he was married until 2008), and her mother, in the early 1980s, to philosopher A. Ayer (they remained married until her mother's death).