Eldest
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
He or she who has the greatest age. The “eldest son” is the first-born son. If there is only one son, he may still be described as the “eldest.”
L.R.7 H. L. 644.
Electa una via, non datur recursus ad alteram. He who has chosen one way cannot have recourse to another.
10 Toull. no. 170.