Who is Kitty and Gloria Pommeroy from Stern Men and what is their importance?

Rhonda Pommeroy's elder sisters, Kitty and Gloria both drink, but Kitty regularly becomes fall-down drunk. When she hears something funny, she sinks to her knees and, when helped up, makes lady-like motions to cover her mouth and fix her hair. Gloria, the eldest, has a heavy, unhappy face. She never marries. In her youth Kitty works off-island and has numerous lovers. Abortions leave her unable to have a baby. She returns to the island after an explosion disfigures one side of her faces and marries Len Thomas, a fellow alcoholic, after having been lovers with Cal Cooley. Throughout the novel, Len, protagonist Ruth Thomas' hated uncle, threatens to throw her out for drunkenness. Kitty brags that when Len beats her, she beats him worse. She claims that it is, nevertheless, a good marriage. When eventually throws her out she moves in with Rhonda and wonders at why this is her fate.