婚姻関係

1. Origins, structure, and basic meaning

• Structure: The legal or administrative noun 婚姻関係 (こんいんかんけい) denotes a relationship established by marriage.
• Basic usage: Documents may 婚姻関係を確認する, and 婚姻関係がない states that no marital relationship exists.

2. Common pitfalls and similar expressions

• A relationship established by marriage
  • It is defined by marriage and is not identical to every form of family or cohabitation.