Leti Lowran レティ・ロウラン
Leti Lowran is a TSAB Admiral, who appears briefly in A's and as a regular background character alongside Lindy Harlaown in A's manga. She is a recurring character in StrikerS manga but in StrikerS itself, she makes only a cameo appearance and is the mother of Griffith Lowran. (Source: Nanoha Wiki)