Brihat Parashara Hora Shastra
मातुःस्थाने शुभयुते तदीशे स्वोच्चराशिगे। कारके बलसंयुक्ते मातुर्दीर्घायुरादिशेत्॥ ६॥
Long-living Mother. If Bandhu Bhava is occupied by a benefic, while its Lord is in his exaltation Rāśi, as the indicator of mother is endowed with strength, the native will have a long-living mother.
english translation
mAtuHsthAne zubhayute tadIze svoccarAzige। kArake balasaMyukte mAturdIrghAyurAdizet॥ 6॥
hk transliteration by Sanscript