Transferring Ownership, Grant Deed or Quit Claim Deed?

Thank you for your response. Warren E&P accepted my trust cert and added my name as trustee when my dad was incapacitated, but I don’t believe it ever went to assessor’s office. Then when I inquired about transferring ownership to my siblings after my dad passed, I was told I needed to file QC or GD.
The quitclaim form wording is confusing as it says the ‘undersigned grantor’ declares transfer tax and other lines I don’t get. Who would be the grantor (s)? Where do I find out the transfer tax? Thanks