No They are not relater.
Tessa Ferrer is related singer/actor/author Debby Boone: Mother:
Singer/actor/author Pat Boone: Grandfather:Singer/author Shirely
Boone: Grabdmother:country singer Red Foley: great-grand Father:
country singer: Singer/actor/author Rosemary Clooney:Grandmother;
Actor Jose Ferrer:grandfather: Actor Miguel Ferrer.
Tessa Ferrer has many more Family that were real known back in
the 1940 and 1950.