ALLEN marriages in Pott. Co. include the following, which may be some of the children of Benjamin and Arabella Allen: Arabella E. Allen to Frederick Brownald, 6 Sep 1874 Charles Allen to Pearle Rodgers, 31 August 1887 John P. Allen to Minnie Harris, 15 Feb 1888 Helena Allen to W. H. Lavenbarg, 28 Sep 1885 Benjamin Allen to Emma Stephens, 30 Mar 1876 There are several other ALLEN marriages, but these seemed to be the closest to what you need. In the 1870 census for Pott. Co., Iowa, 1910, Hazel Dell Township, p. 97, there is a W. H. LAVENBARG, age 63, b. Iowa, hired man, widower, parents b. PA, living on the S. A. Clark farm. In the 1870 census for Pott. Co., Iowa, 5th Ward, Council Bluffs, p. 108, there is the following: F. Brownald, age 24, painter, b. MI M. J. Brownald, age 22, female, b. MI I hope this helps you a little. Mona Sarratt Knight