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A combined model of the Kerr spinning particle and superparticle isconsidered. The structure of the Kerr geometry is presented in a complex formas being created by a complex source. A natural supergeneralization of thisconstruction is obtained corresponding to a complex "supersource". Peforming asupershift to the Kerr and Kerr-Sen solutions we obtain metrics of supergravityblack holes with a nonlinear realization of broken supersymmetry.Comment: minor revision, some grammatical changes and correction of the  misprint before eq.(10); 13p., Latex, Talk at the International Seminar  "Supersymmetry and quantum field theory" dedicated to the memory of  D.V.Volkov, Kharkov, January 199

Kerr spinning particle, strings, and superparticle models