two people apply for a job with a company, both get hired a month later you find out they are a couple, not married but living together and also have a child together, and they have admitted to other team members they are a couple, can one or both be

two people apply for a job with a company, both get hired a month later you find out they are a couple, not married but living together and also have a child together, and they have admitted to other team members they are a couple, can one or both be fired