Petitioners-appellants, Peter Muserlian ( the taxpayer ), his wife Theodora Muserlian and their son, Peter E.C. Muserlian, appeal from a decision entered in the United States Tax Court (Goffe, J.) affirming the disallowance by respondent-appellee, the Commissioner of Internal Revenue ( Commissioner ), of certain deductions taken by appellants on their tax returns for the years 1981 and 1982. The Commissioner had issued a notice of deficiency disallowing interest payment deductions taken by Peter Muserlian on various purported loans made to him by his five children. A notice of deficiency also had been issued against Theodora and Peter E.C. Muserlian (the Muserlians ) disallowing certain depreciation deductions relating to their interests...