[Mrs. Don-o]

No, actually, Greek grammar limits this to Simon Peter. Did you go to the Strong's Concordance link?

http://www.godrules.net/library/strongs2b/gre4671.htm

Click on the live link 4671, and that takes you to:

http://www.godrules.net/library/strongs2b/gre4771.htm

Dative, second person, singular.

I am open to correction based on the Greek grammar.

[Elsie]

I am open to correction based on the Greek grammar.

So you don't trust the Catholic English translation?

[Cvengr]

λέγει αὐτοῖς, Ὑμεῖς δὲ τίνα με λέγετε εἶναι; Mat 16:15 (15) He saithG3004 unto them,G846 ButG1161 whomG5101 sayG3004 yeG5210 that IG3165 am?G1511 G5210 ὑμείς humeis hoo-mice' Irregular plural of G4771; you (as subject of verb): - ye (yourselves), you.

[Cvengr]

λέγει αὐτοῖς, Ὑμεῖς δὲ τίνα με λέγετε εἶναι;

Mat 16:15

(15) He saithG3004 unto them,G846 ButG1161 whomG5101 sayG3004 yeG5210 that IG3165 am?G1511

G5210

ὑμείς humeis hoo-mice' Irregular plural of G4771; you (as subject of verb): - ye (yourselves), you.

[Cvengr]

Matt 15:19 uses the Dative