  Within the context of supersymmetric theories, explaining a 125 GeV Higgs
motivates a consideration of a broader range of models. We consider a simple
addition to the MSSM of a "Sister Higgs" ($\Sigma_d$), a Higgs field that
participates in electroweak symmetry breaking but does not give any direct
masses to Standard Model matter fields. While a relatively minor addition, the
phenomenological implications can be important. Such a field can be naturally
charged under an additional symmetry group $G_s$. If gauged, the Higgs mass is
naturally much larger than in the MSSM through an NMSSM-type interaction, but
with $\Sigma_d$ playing the role of $H_d$. The addition of the sister Higgs
allows new R-parity violating operators $\Sigma_d H_d E$, which are less
constrained than conventional leptonic R-parity violation. Considerations of
unification motivates the presence of colored $G_s$-charged fields. Production
of these G-quarks can lead to new b-rich final states and modifications to
decays of gluinos, as well as new opportunities for R-parity violation. Unlike
a conventional fourth generation, G-quarks dominantly decay into a light jet
and a scalar (potentially the Higgs), which then generally decays to b-jets.
The presence of additional sister charges allows the possibilities that
lightest sister-charged particle (LSiP) could be stable. We consider the
possibility of an LSiP dark matter candidate and find it is generally very
constrained.
