When you ask one person quot; what his grace? quot; You can have two meanings.1) you are asking for their skills, tastes, hobbies or work. Example: what is grace? I like to sing, I am very good jokes or I am interested in travel, etc.2) refer to their name. Example: what is your grace? My grace is Esteban (my name is Esteban).Grace has other meanings more, depending on the intent or purpose with which this word is used.
which is his grace is incorrectly written and should be written as "what is your grace?" being its meaning:
Elegant and ancient way of asking for the name of an unknown person, because between the multiple meanings of grace is the name, from the latin gratia gratiae: don, grace, charm, gratitude, favor, benevolence, harmony.
