Scope note: This property associates an instance of E66 Formation with an instance of E74 Group from which the new group was formed preserving a sense of continuity such as in mission, membership or tradition. Examples: - The formation of the House of Bourbon-Conti in 1581 (E66) was formed from House of Condé (E74) In First Order Logic: P151(x,y) ⊃ E66(x) P151(x,y) ⊃ E74(y) P151(x,y) ⊃ P11(x,y)