[Footnote 135: The humble but legal rights of concubines and
natural children are stated in the Institutes, (l. i. tit.
x.,) the Pandects, (l. i. tit. vii.,) the Code, (l. v. tit.
xxv.,) and the Novels, (lxxiv. lxxxix.) The researches of
Heineccius and Giannone, (ad Legem Juliam et
Papiam-Poppaeam, c. iv. p. 164 - 175. Opere Posthume, p.
108 - 158) illustrate this interesting and domestic
subject.]