Brihat Parashara Hora Shastra
कर्मस्थाने स्थितः सौरिः शत्रुस्थाने कलानिधिः। क्षितिजः सप्तमस्थाने सह मात्रा विपद्यते॥ ८॥
Immediate death of the child along with its mother will occur, if Śani is in Karm Bhava, Candr in Ari Bhava and Mangal in Yuvati Bhava.
english translation
karmasthAne sthitaH sauriH zatrusthAne kalAnidhiH। kSitijaH saptamasthAne saha mAtrA vipadyate॥ 8॥
hk transliteration by Sanscript