The plea is made by the independence-supporting Scots who won a record-breaking £161 million EuroMillions jackpot.
In a letter to The Scotsman, the Weirs also defend their right to donate £3m to the Yes movement.
The Scotsman cartoon: Yes campaign lottery winners
Lottery winning couple Colin and Chris Weir have called on both sides in the independence debate to end the “smears” and “personal attacks”.