troversy between the parties existed as alleged by plaintiff and admitted most of the facts alleged in plaintiff’s petition, but denied some of them. .Defendants, by a cross petition, alleged that the same controversy existed between the parties as to their rights under similar instruments executed to plaintiff by the respective owners of four other tracts of land, and asked that the rights of the parties under the instruments and the facts relating thereto be determined as to those other tracts of land. Plaintiff filed a reply, which was a general denial to defendants’ answer. It also answered their cross petition, admitted there was an actual controversy between the parties with respect to their rights as to the other four tracts of land, which in substance was the same as the controversy respecting the rights of-the parties to the land described in plaintiff’s petition. Defendants filed a reply to plaintiff’s answer to their cross petition.
The action was submitted to the court upon a written statement of facts, which was agreed to. The court’s judgment was for plaintiff and defendants have appealed.
Respecting the land described in plaintiff’s petition the stipulated facts may be summarized as follows:' On May 10, 1929, Lewis B. Hillard, the then owner of the land, and his wife executed an oil and gas lease thereon to the Dixie Oil Company for a primary term of ten years from the date thereof. No oil or gas was produced on the land during that ten-year period. The lease was kept in full force during all of the ten-year period and was duly released by the Stanolind Oil and Gas Company, the assignee thereof, on June 19, 1939. Both the lease and the release thereof were duly recorded in the office of the register of deeds.
On April 21, 1934, Lewis B. Hillard, then being the owner in fee simple of the land, subject only to the oil and gas lease to the Dixie Oil Company above noted, together with his wife, Martha Jane Hillard, as grantors, for a valuable consideration made, executed and acknowledged to plaintiff, as grantee, an instrument entitled “Sale of Oil and Gas Royalty,” which instrument was duly recorded in the office of the register of deecls on May 19, 1934, a copy of which was attached to plaintiff’s petition as Exhibit “A,” and alleged that at all times subsequent to the execution of the instrument plaintiff has been and is the owner of all right, interest, title and estate granted, assigned and conveyed thereby.
On November 17, 1939, Martha Jane Hillard, the widow of Lewis B. Hillard, then deceased, and the owner of a life estate in the real