With regard to Walter George I assume his relationship broke down with Lily some 9 months prior to the birth of Ernest, these children being the sons of "lodger in 1911 census"
MARTIN, ERNEST ARTHUR HAYHOE -
GRO Reference: 1910 S Quarter in NORWICH Volume 04B Page 102
MARTIN, ALBERT GEORGE HAYHOE LUSHER
GRO Reference: 1913 D Quarter in NORWICH Volume 04B Page 227
SS