The equivalent, 'Jaime', is pronounced 'KHA-eemay' ('KH' as in 'loch')
The name Jamie would not be different in Spanish. However, the name Diego is a form of the name Jaime (James) in Spanish.
To pronounce Tristan as it is in Spanish, try TREE-stahn. (Note: r is rolled in Spanish.)
You pronounce it 'PEE ahs.'
Timothy is Timoteo in Spanish.
you pronounce it a(DeLE) in Spanish
The pronounce it would be:E - ge - ra(get)
"K" is pronounced "ku" in Spanish.