It is the eldest brother who increases the prosperity of the family or destroys it entirely. If the eldest brother happens to be not gifted with sense and wicked in conduct, he encompasses the destruction of the whole family.
ज्येष्ठः कुलं वर्धयति विनाशयति वा पुनः। हन्ति सर्वमपि ज्येष्ठः कुलं यत्रावजायते॥