I also had Rev. Knox. DH and I are very spiritual, but not religious AT ALL. BUT DH's mom and dad are super Roman Catholic. DH's mom was/is having an especially hard time with us not having a Roman Catholic wedding.
Rev. Knox helped us create a ceremony with catholic touches... multiple prayers followed by the guests saying "Amen", the blessing of the hands ceremony (traditionally catholic), and he wore a robe!
He also helped us eliminate religion while including spiritual touches...replaced both the name "Jesus" and word "church" with "God", replaced "til death do us part" with "until the end of time" and he read the Apache wedding blessing.
After the wedding, my MIL told DH that she was very relieved by the ceremony. I don't really know what she was expecting, but I guess being relieved is a good thing. And my FIL said it was one of the most beautiful ceremonies he had ever seen.
Rev. Knox was great!