Case Title: Nuguid v. Nuguid Citation: G.R. No. L-23445, June 23, 1966 Subject: Succession

This case is a leading authority on preterition in Philippine succession law. It clarifies that omission of compulsory heirs in the direct line automatically nullifies the institution of heirs regardless of intent or actual inheritance outcome. It underscores the mandatory nature of legitimes and the strict limitations on testamentary freedom under the Civil Code.