Each member of the family has a mesh lingerie laundry bag, and a hook. They put their dirty socks in the bag each night. Then when it's full, you wash the whole mesh zipped up bag, and give it back! No more sorting through and figuring out which socks are for which person!
The 25 Documents You Need Before You Die from The Wall Street Journal - Design You Death Dossier Soon, or You Could Be Setting Up Your Heirs for Frustration and Financial Pain. Handy and smart planning!