Here are a few answers to frequently asked questions, regarding various All My Children characters and story lines:

Q: How is it possible that Ryan (Cameron Mathison) is the biological father of Annie's daughter?
A: When Ryan first came to Pine Valley, he gave donations to a sperm bank to pocket some cash. The late Dr. Greg Madden used some of Ryan's little swimmers to fertilize Annie's egg when she was hoping to become pregnant. The result? Emma.

Q: How many children does Adam Chandler (David Canary) have?
A: Adam and his late first wife, Althea Patterson, are the adoptive parents of Skye, who currently resides in GH's Port Charles. His surviving biological children are Hayley (by Arlene), JR (by Dixie) and Colby (by Liza). Adam also had a daughter, Anna Claire, with then-wife Gloria, who passed away shortly after her premature birth.

Q: Where are all of Julia Santos's (Sydney Penny) siblings?
A: Maria and Mateo both reside in California; she settled there in 2005 and he's lived there since 2002. Anita left Pine Valley in 2006, to join her sister in California. Rosa was last seen in October 2001 and is presumed to have moved to Texas.

SOURCE: Soap Opera Digest 

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.