For this Alan Robert John there are 2 different names on Yasni.
In the ranking of the most common first names Alan Robert John is on position 4589.
Male first name (German, English, Scottish): Alan, Celtic (Word format); al = the rock, came in the Middle Ages with the Normans to England significance not sure clarified, perhaps of Celtic and Breton 'al' (rock)
Male first name (German, English, French, Scandinavian): Robert; Old High (two-part name); hruod = fame; beraht = bright, shiny, old Germanic or German two-part name, common in the Middle Ages in Northern France and from there, England brought
Male first name (English): John, the Lord is merciful Lord is good; Hebrew (New Testament): Yahweh = (Name of God); Chanan = favor, be gracious, name of the apostle and evangelist John, also known by John the Baptist; at the end of the Middle Ages, the most common Christian name in Germany, so far contributed 23 popes named John