A 3-of-5 multisig where you hold 2 keys, two loved ones each hold 1 key, and Unchained holds 1 key.
There would be many options to access your bitcoin:
A) Your 2 keys + a loved one who is available to help
B) Your 2 keys + Unchained
C) 1 of your keys + any two of your three key agents
D) 2 loved ones + Unchained, which may be useful for inheritance or as a last-resort backup
This is one of the many possible setups at Unchained.