Name
Question
I am thinking of having a child on my own (as a single parent). My child's "father" will be Jewish, but I will not know his name (donor). After the birth, the name is given as the child's name(s) "the son of" the father's name(s). What do I use? Avraham? Since we are all decendents of Avraham? Please help - I want my child to have a traditional Jewish upbringing, and feel this is imperative. The child will be named after my late and beloved father. Thanks.