Relatives of the late Rudolph Valentino will refrain from contest of his will provided Alberto Guglielmi, the late actor’s brother is named co-executor of the estate with George Ullman, attorneys for Guglielmi and his sister announced in court tonight when the will came up for probate. Ullman, who was Valentino’s business manager, is named executor and trustee by the will. The hearing was continued for a week. The will leaves virtually all the estate to Mr. Ullman, as trustee for Guglielmi, his sister Maria and Mrs. Teresa Werner, the aunt of Valentino’s second wife, Natacha Rambova. It provides for final distribution to be made in accordance with the oral instructions Valentino gave Mr. Ullman.