"Mrs. Chau, Knives' Mother"@en . . . "Mrs. Chau"@en . "Mrs. Chau"@en . . . . "200"^^ . . . . "Mrs. Chau is the mother of Knives Chau and wife of Mr. Chau. She is a minor character in the series because she only appeared twice in the Books. Mrs. Chau's full name is currently unknown."@en . . . . "Unknown"@en . . . "First Appearance"@en . "Family"@en . . . "Mrs. Chau is the mother of Knives Chau and wife of Mr. Chau. She is a minor character in the series because she only appeared twice in the Books. Mrs. Chau's full name is currently unknown."@en . . "Age"@en . . .