Merry Wives of Windsor 1.1: 14
Yes, py’r lady. If he has a quarter of your coat, there is but three skirts for yourself, in my simple conjectures. But that is all one. If Sir John Falstaff have committed disparagements unto you, I am of the church, and will be glad to do my benevolence to make atonements and compremises between you.
Merry Wives of Windsor 3.4: 78
... I would Master Slender had her; or, in sooth, I would Master Fenton had her. I will do what I can for them all three, for so I have promis’d, and I’ll be as good as my word, but speciously for Master Fenton. Well, I must of another errand to Sir John Falstaff from my two mistresses. What a beast am I to slack it!
Henry IV Part 2 2.2: 42
“Sir John Falstaff, knight, to the son of the King nearest his father, Harry Prince of Wales, greeting.”
Henry IV Part 2 3.2: 24
My captain, sir, commends him to you, my captain, Sir John Falstaff, a tall gentleman, by heaven, and a most gallant leader.