1Cor.1.16(I did baptize also the household of Stephanas. Beyond that, I do not know whether I baptized anyone else.)
1Cor.16.15Now I urge you, brothers—you know that the household of Stephanas were the first converts in Achaia, and that they have devoted themselves to the service of the saints
1Cor.16.17I rejoice at the coming of Stephanas and Fortunatus and Achaicus, because they have made up for your absence,