and this first test relates to johnathan rubin. in the case of johnathan rubin, it has been determined by this court that mr. johnny davis, you are his father. yeah, i never had no doubts on that one. mr. davis, you told me you had a doubt on every child. i said i was having all of them tested because i had doubts in their mother. that's the reason i said i was having them tested. so, that means you had doubts about johnathan. yes, that's what you said. i was there. johnathan was there. i had to have... i mean... it was all three of them. the doubt has now been put to rest for johnathan. moving on. in the case of sheryl rubin, it has been determined by this court that you... narrator: promotional consideration provided by... t provided by dna diagnostic center. you were in a relationship with their mother, exactly. and you found out that she had been sleeping around on you? exactly. which caused you to then doubt whether or not you were her father in particular? not necessarily her. all the children?