Revelation 21:12-14

Young's Literal Translation

¹² having also a wall great and high, having twelve gates, and at the gates twelve messengers, and names written thereon, which are [those] of the twelve tribes of the sons of Israel,

¹³ at the east three gates, at the north three gates, at the south three gates, at the west three gates;

¹⁴ and the wall of the city had twelve foundations, and in them names of the twelve apostles of the Lamb.