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In this article we construct a family of knot surgery $4$-manifolds admittingarbitrarily many nonisomorphic Lefschetz fibration structures with the samegenus fiber. We obtain such families by performing knot surgery on an ellipticsurface $E(2)$ using connected sums of fibered knots obtained by Stallingstwist from a slice knot $3_1 \sharp 3^*_1$.  By comparing their monodromy groups induced from the corresponding monodromyfactorizations, we show that they admit mutually nonisomorphic Lefschetzfibration structures.

Lefschetz fibrations on knot surgery $4$-manifolds via Stallings twist