We understand this must be an extremely difficult time for you and your families. Please make sure you seek out proper advice during this time.
Please follow all guidance under the 'Employment and Financial Support' section of the government advice site found here.
As of 26/03/2020, the UK government announced it will be introducing support for the self-employed, if they have incurred a loss in income as a result of the Covid-19 outbreak through the Coronavirus Self-employment Income Support Scheme.
The government will provide a taxable grant which will be paid to the self-employed or partnerships, worth 80% of their profits up to a cap of £2,500 per month.
This support will be available for three months, paid out in one go. To check you meet all of the eligibility requirements, please follow the government advice detailed here.