Manusmriti

siva.sh/manusmriti/9/124

ज्येष्ठस्तु जातो ज्येष्ठायां हरेद् वृषभषोडशाः । ततः स्वमातृतः शेषा भजेरन्निति धारणा ॥ १२४ ॥

sanskrit

But the eldest (son, being) born of the eldest wife, shall receive fifteen cows and a bull, the other sons may then take shares according to (the seniority of) their mothers; that is a settled rule.

english translation

jyeSThastu jAto jyeSThAyAM hared vRSabhaSoDazAH | tataH svamAtRtaH zeSA bhajeranniti dhAraNA || 124 ||

hk transliteration by Sanscript