The two black lines on the armband means that they're the deceased's family. One line means they are either friends or acquaintances. One line of the arm, one line on the heart. The bastards who stood by my side with two lines, they'll be the hardest farewells I'll have to make in my life, and they're the luckiest fortune I've met in my lifetime.
Remember this, boy. All dwarfs may be bastards, yet not all bastards need be dwarfs. " And with that he turned and sauntered back into the feast, whistling a tune. When he opened the door, the light from within threw his shadow clear across the yard, and for just a moment Tyrion Lannister stood tall as a king.