The name that is transliterated as «Lois» in English is translated in Libras (Brazilian Sign Language) with a combination of «grandmother,» faith» and «great» (Paul describes Timothy’s grandmother as having great faith). (Source: Missão Kophós )
«Lois» in Libras (source )
For more information on translations of proper names with sign language see Sign Language Bible Translations Have Something to Say to Hearing Christians .