Woman leaves £500,000 to coalition 13 August 2013 Last updated at 12:15 By Justin Parkinson Political reporter, BBC News A woman who left more than £500,000 in her will to the Conservatives and Lib Dems stipulated that the money should go to "whoever is in government." The Tories received £420,576 from Joan Edwards's bequest during the second quarter of this year, while the Lib Dems got £99,423. The Lib Dems said the money had been shared according to the number of MPs and ministers of each coalition party. Ms Edwards was the biggest donor to both parties between April and June. There are no further details about her at this stage. Overall, the Conservatives returned to the top of the political funding table, receiving £4.12m donations in the three months from April to June. Labour, given the most money in the previous quarter, received the second largest amount - £3.14m. Britain's biggest trade union Unite gave £772,000 to Labour, the single largest amount from any person or organisation to any party. During the previous quarter, multimillionaire John Mills was Labour's biggest donor. From April to June the GMB union gave Labour £486,830, while it got £458,000 from Unison and £411,000 from, Usdaw. Meanwhile, the Conservatives' second largest donor - after Ms Edwards - was party treasurer and City financier Michael Farmer, providing £281,000. Investment banker James Lupton gave £264,000 and the National Conservative Draws Society, which runs weekly prize draws, gave £165,000 The Offshore Group Newcastle Limited donated £117,000. Earlier this year the firm opened a the first complete North Sea oil platform built in one British yard for 25 years. The third-placed Liberal Democrats received £735,000 in total. Ms Edwards was the party's biggest single funder. In fourth place was the UK Independence Party, on £153,229, followed by the British National Party on £98,000 and Plaid Cymru on £82,000. During the previous quarter, Labour was the best-funded party, receiving £3.68m, including £1,65m from John Mills, an entrepreneur who founded the television shopping channel JML. It narrowly beat the Conservatives, who were given £3.66m.