Delphi is the name of a scientific software program for calculating electrostatic potentials for macromolecules using the finite-difference Poisson-Boltzmann equation.
Not many people know that but its perfectly true.
And of course its a place in Greece known for its oracle.
Neither of which seems apt for a baby name.
Seraphim is (I think) the plural of Seraph. Seraphi therefore sounds like a mistake.
Sorry.