Galatians 1:18 (ESV)

18 Then after three years I went up to Jerusalem to visit Cephas and remained with him fifteen days.

Cephas is Peter’s Aramaic name (John 1:42; 1 Corinthians 1:12; 1 Corinthians 3:22; 1 Corinthians 9:5; 1 Corinthians 15:5; Galatians 2:9, Galatians 2:11, Galatians 2:14).1