Retired supermarket supremo Sir Ken Morrison has slipped from second to third richest man in Yorkshire, according to the latest Sunday Times rich list to be published this weekend.

Sir Ken, life president of the Bradford-based retailer and his family saw their fortune slip from £1.1 billion in the 2012 list to £1.05bn and are 83rd in the list of the 1,000 richest people in the UK.

Jack Tordoff and family, owners of Bradford-based motors group JCT600 have slipped from tenth to 11th in the regional ranking, even though their wealth increased from £290m to £330m. The Tordoffs rank at 261 in the national list.

Also a place lower in the Yorkshire ranking, at 15th, is David Hood, a founder of Saltaire-based Pace plc and now an aviation entrepreneur, whose fortune rose from £200m to £240m. He is the UK’s 338th richest person Sir Robert Ogden, former Otley-based construction chief and now a computer entrepreneur, dropped to 20th regionally with his £150m worth, ranked at 522 in the UK.

Chris Edwards and his son, also Chris, have seen profits at their Poundworld retail chain of 200 stores rise to £8.6m on sales of £206.5m in 2011-12 to boost their joint personal wealth to £150m, up from £80m last year.

Yorkshire’s wealth league is topped by Hull-based kitchens and property magnates, Eddie and Malcolm Healey with a fortune of £1.5bn, putting them 48th in the national list.