Three regional newspaper owners and one former publisher has been named in the ‘media top 20′ on the annual Sunday Times Rich List.

The list, to be published in full on Sunday, names the Barclay Brothers, owners of the Daily Telegraph, as Britain’s richest press barons with wealth estimated at £2,250m.

Lord Rothermere, owner of the Daily Mail and regional stable Northcliffe Media, is placed third on the list with £760m – an increase of £30m on last year’s figure.

And Lord Iliffe, ultimate owner of Iliffe News and Media, is in 11th place with estimated wealth of £266m – up £26m on 2011.

Sir Ray Tindle, proprietor of Tindle Newspapers, makes it onto the list in 16th place with £125m, but his fortune is estimated to have declined by £20m over the past 12 months.

Also listed, in 18th place, is Nick Forman Hardy, who sold the Nottingham Post to Northcliffe in the 1990s and sank the proceeeds into a still-thriving investment business.

All 20 publishing and advertising millionaires listed are among 1,000 richest people in Britain in the annual guide to wealth , which is published as a 104-page magazine free with The Sunday Times this weekend.

The list is as follows:

1    Sir David and Sir Frederick Barclay    £2,250m
2    Richard Desmond    £1,000m
3    Viscount Rothermere and family   £760m
4    The Thomson family    £700m
5    Paddy McNally    £515m
6=    Viscount Cowdray and the Pearson family    £500m
6=    Felix Dennis     £500m
8    Cristina Stenbeck    £369m
9    Mark Getty and family    £330m
10    Mike Danson    £310m
11    Lord Iliffe and family    £266m
12    Sir Martin Sorrell    £174m
13    Mike Luckwell    £135m
14    Philip and Patricia Brown    £132m
15    Lord and Charles Saatchi    £130m
16    Sir Ray Tindle    £125m
17    Neil Hutchinson    £123m
18    Nick Forman Hardy and family    £102m
19    Alan Parker    £95m
20    Gregory Nasmyth and family     £85m