I'll start:
El Al - Points go into a single account. Only flights from LON-TLV
Star Alliance:
BMI - Points go into a single account
Maximum of 8 family members.
ANA - Allows pooling for award bookings. Maximum of 8 family members. Non-Japanese
OneWorld:
British Airways - Points go into one account
Qantas - Allows free family points transfers. Minium 5,000 miles to maximum 100,000 per person per year.
Skyteam:
Delta $200 + $100 per person you want to collect from. Need an Asian address.
You can help me by giving me links and summarizing different programs to do allow family pooling.
Bonus perk: Some airlines are not makpid on how you are related. If you know any that are not makpid please share.
= not sure