Gematria Calculation Result for all the sons in one cowboy on Roman Numeral

This is calculated by summing each letter's value: a(0) + l(50) + l(50) + (0) + t(0) + h(0) + e(0) + (0) + s(0) + o(0) + n(0) + s(0) + (0) + i(1) + n(0) + (0) + o(0) + n(0) + e(0) + (0) + c(100) + o(0) + w(0) + b(0) + o(0) + y(0).