WBWP/I ejaculated in my diaper/pull ups and she decided to wear it

So, your precociously pubescent sister had a bit of a thing for diapers as a kid to the point she put on yours, but you also being RIDICULOUSLY precociously pubescent happened to have ejaculated inside of them. Well, given a situation like this, it is entirely possible the true parantage of your daughter is unknown to anyone involved in the whole mess. Does anyone know about this?

• (Pa-RPP(D-PPS))/My impregnated sister knows how she got pregnant|My impregnated sister knows how she got pregnant
• (Pa-RPP(D-PPS))/I realize that was how she got pregnant|I realize that was how she got pregnant
• (Pa-RPP(D-PPS))/Our parent(s) realize(s) that's how she got pregnant|Our parent(s) realize(s) that's how she got pregnant
• (Pa-RPP(D-PPS))/Our older sibling(s) realize(s) that's how she got pregnant|Our older sibling(s) realize(s) that's how she got pregnant

You can select any number of the above as they apply. If none of them apply though, what does your family THINK happened?

• (Pa-RPP(D-PPS))/They think our dad molested her|They think our dad molested her
• (Pa-RPP(D-PPS))/They think our older brother(s) molested her|They think our older brother(s) molested her
• (Pa-RPP(D-PPS))/They think a stranger molested her|They think a stranger molested her
• (Pa-RPP(D-PPS))/They think she went too far while fooling around with neighbor kids|They think she went too far while fooling around with neighbor kids