the Shepards while they won't be directly involved in the RP well some will be more involved then others but all members of this family will have a part to play in the Galaxy's future.

1. Martin Shepard: Born 2124 CE Martin inherited a large sum of money from a distant relative he was a smart investor and by 2161 he had became the largest shareholder in the early Conatix Industies under his guidance the beginning of human Biotics was capitalized on. By this time he had two children and a wife he kept his corporation alive until 2169 CE when the main corporation of Conatix folded with the failure of BAaT. being the sly man he is he was able to invest and form three distinct Corporations Heyuan Genomics, Vorix Armaments and Northstrum Shipyards. with these companies by 2178 CE he became one of the richest Humans in the Galaxy with this vast wealth and connections he plays a dormant yet unseen role in the Galaxy.

2. Sasha Shepard: Born 2128 CE Sasha was born into a dedicated and storied Military Family she met Martin at a high end party where she fell in love. After Jane and john were born the marriage began to sour as Martin became unfaithful and he began to dabble in more unsavory business practices. after their third child Darren was born life changed Martin had changed when Darren became five Sasha found disturbing evidence she left with her child to which in shady and unknown circumstances she met her end and Darren had gone missing.

3. Jane Shepard: The first child born the Martin and Sasha Shepard she was born in 2148 CE Jane grew up with great respect for the military and it's traditions she enlisted as soon as she could climbing the Ranks of the Navy becoming a Captain of the SSV Holgreen.
from an early age she created distance from her father more so when her mother died and Darren disappeared. She involved herself entirely into her work meeting up with her younger brother John ever so often giving him advice when he was declared KIA her heart was broken after the Battle of the citadel where her tactics and bravery in conjunction with her brothers actions and Anderson becoming the human councilor she was promoted to Rear-Admiral.   

4. John Shepard: The second born child in the Shepard family John was born 2154 CE and as they say the rest is history some things that should be stated is after the now famous battle of the citadel John while routine scans for Geth activity he was attacked by an unknown vessel he was declared KIA the Galaxy was shocked and saddened as a hero was lost. He had a close relationship with his Brother and sister he was deeply effected by his brothers disappearance.

5. Darren Shepard: The last Child born to the Shepard family unknown to the rest of his family his father had him genetically altered to excel in forming complex thoughts at a young age which allowed his natural talents to excel ten fold he became a prodigy in the fields of engineering, Genetics, Physics and battle IQ. at the age of five Darren was taken by his mother only Darren really knew what happened that fateful night. This however was not the end of Darren's story just the beginning Martin using his vast connections to work out a deal with the Quarian flotilla in trade for 35 new ships including 5 life ships, Darren was taken into the the flotilla given his own envirosuit and adsorbed into the Quarian people. Under the teaching of the Quarian master engineers his skills exploded into an elite level. 

This being said there is alot more info about these characters that i will explain and evolve further.