Let $X$ be a hyperelliptic curve, $\pi: X \to \mathbf{P}¹$ denote the ramified covering and $W$ the set of Weirstrass points. Let $F,G$ be two involution invariant bundles on $X$ satisfying the short exact sequences 

$0 \to \pi^*E \to F \to \bigoplus_{w \in W} F^{⁻} \otimes \mathcal{O}_w \to 0$,

$0 \to \pi^*E´ \to G \to \bigoplus_{w \in W} G^{⁻} \otimes \mathcal{O}_w \to 0$,

where $E,E´$ are parabolic vector bundles on $\mathbf{P}^1$ and $F^{-}, G^{-}$ denote the negative eigenspaces of the bundles $F,G$. 

Then does $End(E) \simeq End(E´)$ imply that $End(F) \simeq End(G)$.

Any hints/suggestions will be helpful.