Sandy Jameson (played by Haylie Duff) is a mother of a baby boy. Sandy is a friend of Rosanna Taylor, Simon , Ruthie ,and Lucy ,While Sandy was pregnant she decided to become a christian and after the birth of her son she wanted to become a minister. She became friends with her baby's father Martin Brewer.
Sandy met Martin Brewer through Simon during the summer while Martin was visiting Simon at college. The first time they met each other they slept with each other; after that it became very awkward with Martin and Sandy.
Martin started to ignore Sandy forcing her to go to Glen Oak to confront him. She told him that she was late on her period. After they found out she was pregnant with Martin’s baby, things became very intense between the two of them.
Sandy's only way of coming face-to-face with Martin was either them running into each other or the birth of their son. After the birth of their son, Aaron, Martin came to his senses and became a better man. In season 11, Martin started to think he should marry Sandy but Sandy wanted him to stay being her baby's father and friend.
Sandy was dating a guy, but she got annoyed with him so to get rid of him she told Martin to marry her, but after a few episodes. Eventually, she was proposed to by her boyfriend.