The Arkansas cases involve post-deal challenges to the enforceability of a family settlement agreement; plus they arise in the will context. Doc. 317 at 1-5; Butler v. Dike, 2009 Ark.App. 435, 320 S.W.3d 647; Green v. McAuley, 953 S.W.2d 66 (Ark. Ct. App. 1997); Dudgeon v. Dudgeon, 177 S.W. 402 (Ark. 1915).