Accepting a donation to the Islamic Centre from a woman whose earnings are not halaal

I pray to Allah azzavajall that this mail reaches you in a state of good healt and strong iman ameen.
Sheikh we have an organization that are in urgent need of getting the ruling on one issue.
We have a dawa organization that are trying to uphold the authentic sunnah of our blessed prophet (saw) and insha Allah call people to the understanding and manners of his noble companions.
A woman whants to donate large amount of zadaqa to our organization wich up to now is financed of our own personal means.
The issue is that her money was made in a way that is not halal, but in a time of ignoranse before she started to practise her religion. And she made taubah and started to practise her religion after. (she is was a borned muslim but not practising when she earnde this money) can we use this money in financing our modest attempt to make dawa over here in sweden?