The testamentary disposition was subjected to the regulation in the Lithuanian Statutes (of 1529, 1566, 1588) which were tantamount to the codification of law in the Grand Duchy of Lithuania. In the First Statute (of 1529) the regulation was not much extended but in the next Statutes it developed. When compared with the First Statute, the regulations found in the Statutes that followed were responsible not only for the increase in questions that were subjected to regulations but also for the deep modification of the subject‐of‐law scope of testamentary succession. This was due to the general tendency detectable in the evolving Lithuanian law. The tendency consisted in the facilitating of the conclusions of inter vivos legal transactions refer...