Русско-англо-русский юридический словарь

Mr Adams was going out with the sister of Mr Thompson at the time and it was claimed he carried out the murder in revenge. (BBC News)

degree of relationship is a measurement of a blood relationship (eg mother, son, sister etc), usually as either one vertical or one horizontal step in a standard family tree

They were not within prohibited degrees of relationship in relation to each other. (TransLegal)

A dependent is someone who is unable to care for or support themselves and looks for such care and/or support from another. [...] A person qualifying as your dependent generally may be your child, stepchild, adopted child, grand child, great-grand child, son or daughter in law, father or mother in law, brother or sister in law, parent, brother, sister, grand parent, step-parent, stepbrother or sister, half brother or sister, and, if related by blood, uncle, aunt, niece, or nephew. (USLegal)

The appellant applied to introduce into evidence a statement her father had made to her sister. (Law Times)