Acknowledgment must show voluntary execution. Keeling v. Hoyt, 31 Neb. 453, 48 N.W. 66 (1891); Aultman & Taylor Co. v. Jenkins, 19 Neb. 209, 27 N.W. 117 (1886).
Acknowledgment that it was their voluntary act was good. Spitznagle v. Vanhessch, 13 Neb. 338, 14 N.W. 417 (1882).
Substantial compliance with statute is necessary and sufficient. Becker v. Anderson, 11 Neb. 493, 9 N.W. 640 (1881).
Acknowledgment is no part of deed itself. Burbank v. Ellis, 7 Neb. 156 (1878).